31520619

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4021}}^1$

素因数の和:4107

約数の個数: 24

約数和(自身を含む): 49776272

約数和(自身を除く): 18255653

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 4021, 7839, 12063, 36189, 52273, 156819, 269407, 470457, 808221, 2424663, 3502291, 10506873, 31520619]

約数ペア:

[(1, 31520619), (3, 10506873), (9, 3502291), (13, 2424663), (39, 808221), (67, 470457), (117, 269407), (201, 156819), (603, 52273), (871, 36189), (2613, 12063), (4021, 7839)]