31171491

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9187}}^1$

素因数の和:9235

約数の個数: 24

約数和(自身を含む): 50166480

約数和(自身を除く): 18994989

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 9187, 27561, 82683, 119431, 266423, 358293, 799269, 1074879, 2397807, 3463499, 10390497, 31171491]

約数ペア:

[(1, 31171491), (3, 10390497), (9, 3463499), (13, 2397807), (29, 1074879), (39, 799269), (87, 358293), (117, 266423), (261, 119431), (377, 82683), (1131, 27561), (3393, 9187)]