128331723

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{593}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 191600640

約数和(自身を除く): 63268917

約数列:

[1, 3, 13, 31, 39, 93, 179, 403, 537, 593, 1209, 1779, 2327, 5549, 6981, 7709, 16647, 18383, 23127, 55149, 72137, 106147, 216411, 238979, 318441, 716937, 1379911, 3290557, 4139733, 9871671, 42777241, 128331723]

約数ペア:

[(1, 128331723), (3, 42777241), (13, 9871671), (31, 4139733), (39, 3290557), (93, 1379911), (179, 716937), (403, 318441), (537, 238979), (593, 216411), (1209, 106147), (1779, 72137), (2327, 55149), (5549, 23127), (6981, 18383), (7709, 16647)]