65257257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 96598656

約数和(自身を除く): 31341399

約数列:

[1, 3, 13, 39, 53, 131, 159, 241, 393, 689, 723, 1703, 2067, 3133, 5109, 6943, 9399, 12773, 20829, 31571, 38319, 90259, 94713, 166049, 270777, 410423, 498147, 1231269, 1673263, 5019789, 21752419, 65257257]

約数ペア:

[(1, 65257257), (3, 21752419), (13, 5019789), (39, 1673263), (53, 1231269), (131, 498147), (159, 410423), (241, 270777), (393, 166049), (689, 94713), (723, 90259), (1703, 38319), (2067, 31571), (3133, 20829), (5109, 12773), (6943, 9399)]