31611969

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 47121984

約数和(自身を除く): 15510015

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 811, 2433, 4331, 7299, 12993, 38979, 49471, 57581, 148413, 172743, 445239, 518229, 3512441, 10537323, 31611969]

約数ペア:

[(1, 31611969), (3, 10537323), (9, 3512441), (61, 518229), (71, 445239), (183, 172743), (213, 148413), (549, 57581), (639, 49471), (811, 38979), (2433, 12993), (4331, 7299)]