17778936405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{38201}}^1$

素因数の和:38322

約数の個数: 64

約数和(自身を含む): 31686266880

約数和(自身を除く): 13907330475

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 71, 95, 115, 213, 285, 345, 355, 437, 1065, 1311, 1349, 1633, 2185, 4047, 4899, 6555, 6745, 8165, 20235, 24495, 31027, 38201, 93081, 114603, 155135, 191005, 465405, 573015, 725819, 878623, 2177457, 2635869, 2712271, 3629095, 4393115, 8136813, 10887285, 13179345, 13561355, 16693837, 40684065, 50081511, 51533149, 62382233, 83469185, 154599447, 187146699, 250407555, 257665745, 311911165, 772997235, 935733495, 1185262427, 3555787281, 5926312135, 17778936405]

約数ペア:

[(1, 17778936405), (3, 5926312135), (5, 3555787281), (15, 1185262427), (19, 935733495), (23, 772997235), (57, 311911165), (69, 257665745), (71, 250407555), (95, 187146699), (115, 154599447), (213, 83469185), (285, 62382233), (345, 51533149), (355, 50081511), (437, 40684065), (1065, 16693837), (1311, 13561355), (1349, 13179345), (1633, 10887285), (2185, 8136813), (4047, 4393115), (4899, 3629095), (6555, 2712271), (6745, 2635869), (8165, 2177457), (20235, 878623), (24495, 725819), (31027, 573015), (38201, 465405), (93081, 191005), (114603, 155135)]