1901366865

素因数分解:

$3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 3627417600

約数和(自身を除く): 1726050735

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 71, 79, 81, 93, 135, 155, 213, 237, 243, 279, 355, 395, 405, 465, 639, 711, 729, 837, 1065, 1185, 1215, 1395, 1917, 2133, 2187, 2201, 2449, 2511, 3195, 3555, 3645, 4185, 5609, 5751, 6399, 6603, 7347, 7533, 9585, 10665, 10935, 11005, 12245, 12555, 16827, 17253, 19197, 19809, 22041, 22599, 28045, 28755, 31995, 33015, 36735, 37665, 50481, 51759, 57591, 59427, 66123, 67797, 84135, 86265, 95985, 99045, 110205, 112995, 151443, 155277, 172773, 173879, 178281, 198369, 252405, 258795, 287955, 297135, 330615, 338985, 454329, 521637, 534843, 595107, 757215, 776385, 863865, 869395, 891405, 991845, 1362987, 1564911, 1604529, 1785321, 2271645, 2608185, 2674215, 2975535, 4088961, 4694733, 4813587, 5355963, 6814935, 7824555, 8022645, 8926605, 12266883, 14084199, 20444805, 23473665, 24067935, 26779815, 42252597, 61334415, 70420995, 126757791, 211262985, 380273373, 633788955, 1901366865]

約数ペア:

[(1, 1901366865), (3, 633788955), (5, 380273373), (9, 211262985), (15, 126757791), (27, 70420995), (31, 61334415), (45, 42252597), (71, 26779815), (79, 24067935), (81, 23473665), (93, 20444805), (135, 14084199), (155, 12266883), (213, 8926605), (237, 8022645), (243, 7824555), (279, 6814935), (355, 5355963), (395, 4813587), (405, 4694733), (465, 4088961), (639, 2975535), (711, 2674215), (729, 2608185), (837, 2271645), (1065, 1785321), (1185, 1604529), (1215, 1564911), (1395, 1362987), (1917, 991845), (2133, 891405), (2187, 869395), (2201, 863865), (2449, 776385), (2511, 757215), (3195, 595107), (3555, 534843), (3645, 521637), (4185, 454329), (5609, 338985), (5751, 330615), (6399, 297135), (6603, 287955), (7347, 258795), (7533, 252405), (9585, 198369), (10665, 178281), (10935, 173879), (11005, 172773), (12245, 155277), (12555, 151443), (16827, 112995), (17253, 110205), (19197, 99045), (19809, 95985), (22041, 86265), (22599, 84135), (28045, 67797), (28755, 66123), (31995, 59427), (33015, 57591), (36735, 51759), (37665, 50481)]