20174721417

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 32191885440

約数和(自身を除く): 12017164023

約数列:

[1, 3, 9, 19, 37, 57, 101, 111, 131, 171, 241, 303, 333, 393, 703, 723, 909, 1179, 1919, 2109, 2169, 2489, 3737, 4579, 4847, 5757, 6327, 7467, 8917, 11211, 13231, 13737, 14541, 17271, 22401, 24341, 26751, 31571, 33633, 39693, 41211, 43623, 71003, 73023, 80253, 92093, 94713, 119079, 169423, 213009, 219069, 251389, 276279, 284139, 462479, 489547, 508269, 599849, 639027, 754167, 828837, 900617, 1168127, 1387437, 1468641, 1524807, 1799547, 2262501, 2701851, 3188671, 3504381, 4162311, 4405923, 5398641, 8105553, 9301393, 9566013, 10513143, 17111723, 22194413, 27904179, 28698039, 51335169, 60584749, 66583239, 83712537, 117980827, 154005507, 181754247, 199749717, 353942481, 545262741, 1061827443, 2241635713, 6724907139, 20174721417]

約数ペア:

[(1, 20174721417), (3, 6724907139), (9, 2241635713), (19, 1061827443), (37, 545262741), (57, 353942481), (101, 199749717), (111, 181754247), (131, 154005507), (171, 117980827), (241, 83712537), (303, 66583239), (333, 60584749), (393, 51335169), (703, 28698039), (723, 27904179), (909, 22194413), (1179, 17111723), (1919, 10513143), (2109, 9566013), (2169, 9301393), (2489, 8105553), (3737, 5398641), (4579, 4405923), (4847, 4162311), (5757, 3504381), (6327, 3188671), (7467, 2701851), (8917, 2262501), (11211, 1799547), (13231, 1524807), (13737, 1468641), (14541, 1387437), (17271, 1168127), (22401, 900617), (24341, 828837), (26751, 754167), (31571, 639027), (33633, 599849), (39693, 508269), (41211, 489547), (43623, 462479), (71003, 284139), (73023, 276279), (80253, 251389), (92093, 219069), (94713, 213009), (119079, 169423)]