128212844535

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20497657}}^1$

素因数の和:20497807

約数の個数: 24

約数和(自身を含む): 223834425360

約数和(自身を除く): 95621580825

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 20497657, 61492971, 102488285, 184478913, 307464855, 922394565, 2849174323, 8547522969, 14245871615, 25642568907, 42737614845, 128212844535]

約数ペア:

[(1, 128212844535), (3, 42737614845), (5, 25642568907), (9, 14245871615), (15, 8547522969), (45, 2849174323), (139, 922394565), (417, 307464855), (695, 184478913), (1251, 102488285), (2085, 61492971), (6255, 20497657)]