65431821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2693}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 108622080

約数和(自身を除く): 43190259

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 2693, 3471, 8079, 8099, 18851, 24297, 35009, 56553, 105027, 239677, 245063, 719031, 735189, 1677739, 3115801, 5033217, 9347403, 21810607, 65431821]

約数ペア:

[(1, 65431821), (3, 21810607), (7, 9347403), (13, 5033217), (21, 3115801), (39, 1677739), (89, 735189), (91, 719031), (267, 245063), (273, 239677), (623, 105027), (1157, 56553), (1869, 35009), (2693, 24297), (3471, 18851), (8079, 8099)]