20161621305

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{227}}^1$

素因数の和:375

約数の個数: 168

約数和(自身を含む): 42356705472

約数和(自身を除く): 22195084167

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 81, 105, 135, 177, 189, 227, 243, 295, 315, 405, 413, 531, 567, 681, 729, 885, 945, 1135, 1215, 1239, 1589, 1593, 1701, 2043, 2065, 2655, 2835, 3405, 3481, 3645, 3717, 4767, 4779, 5103, 6129, 6195, 7945, 7965, 8505, 10215, 10443, 11151, 13393, 14301, 14337, 17405, 18387, 18585, 23835, 23895, 24367, 25515, 30645, 31329, 33453, 40179, 42903, 43011, 52215, 55161, 55755, 66965, 71505, 71685, 73101, 91935, 93751, 93987, 100359, 120537, 121835, 128709, 156645, 165483, 167265, 200895, 214515, 215055, 219303, 275805, 281253, 281961, 301077, 361611, 365505, 386127, 468755, 469935, 501795, 602685, 643545, 657909, 790187, 827415, 843759, 845883, 1084833, 1096515, 1158381, 1406265, 1409805, 1505385, 1808055, 1930635, 1973727, 2370561, 2531277, 2537649, 3254499, 3289545, 3950935, 4218795, 4229415, 5424165, 5531309, 5791905, 5921181, 7111683, 7593831, 9763497, 9868635, 11852805, 12656385, 12688245, 16272495, 16593927, 17763543, 21335049, 22781493, 27656545, 29605905, 35558415, 37969155, 48817485, 49781781, 64005147, 68344479, 82969635, 88817715, 106675245, 113907465, 149345343, 192015441, 248908905, 320025735, 341722395, 448036029, 576046323, 746726715, 960077205, 1344108087, 2240180145, 2880231615, 4032324261, 6720540435, 20161621305]

約数ペア:

[(1, 20161621305), (3, 6720540435), (5, 4032324261), (7, 2880231615), (9, 2240180145), (15, 1344108087), (21, 960077205), (27, 746726715), (35, 576046323), (45, 448036029), (59, 341722395), (63, 320025735), (81, 248908905), (105, 192015441), (135, 149345343), (177, 113907465), (189, 106675245), (227, 88817715), (243, 82969635), (295, 68344479), (315, 64005147), (405, 49781781), (413, 48817485), (531, 37969155), (567, 35558415), (681, 29605905), (729, 27656545), (885, 22781493), (945, 21335049), (1135, 17763543), (1215, 16593927), (1239, 16272495), (1589, 12688245), (1593, 12656385), (1701, 11852805), (2043, 9868635), (2065, 9763497), (2655, 7593831), (2835, 7111683), (3405, 5921181), (3481, 5791905), (3645, 5531309), (3717, 5424165), (4767, 4229415), (4779, 4218795), (5103, 3950935), (6129, 3289545), (6195, 3254499), (7945, 2537649), (7965, 2531277), (8505, 2370561), (10215, 1973727), (10443, 1930635), (11151, 1808055), (13393, 1505385), (14301, 1409805), (14337, 1406265), (17405, 1158381), (18387, 1096515), (18585, 1084833), (23835, 845883), (23895, 843759), (24367, 827415), (25515, 790187), (30645, 657909), (31329, 643545), (33453, 602685), (40179, 501795), (42903, 469935), (43011, 468755), (52215, 386127), (55161, 365505), (55755, 361611), (66965, 301077), (71505, 281961), (71685, 281253), (73101, 275805), (91935, 219303), (93751, 215055), (93987, 214515), (100359, 200895), (120537, 167265), (121835, 165483), (128709, 156645)]