64605723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2659}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 107251200

約数和(自身を除く): 42645477

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 2659, 3471, 7977, 8099, 18613, 24297, 34567, 55839, 103701, 236651, 241969, 709953, 725907, 1656557, 3076463, 4969671, 9229389, 21535241, 64605723]

約数ペア:

[(1, 64605723), (3, 21535241), (7, 9229389), (13, 4969671), (21, 3076463), (39, 1656557), (89, 725907), (91, 709953), (267, 241969), (273, 236651), (623, 103701), (1157, 55839), (1869, 34567), (2659, 24297), (3471, 18613), (7977, 8099)]