31918617

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{1013}}^1$

素因数の和:1414

約数の個数: 20

約数和(自身を含む): 47850660

約数和(自身を除く): 15932043

約数列:

[1, 3, 9, 27, 81, 389, 1013, 1167, 3039, 3501, 9117, 10503, 27351, 31509, 82053, 394057, 1182171, 3546513, 10639539, 31918617]

約数ペア:

[(1, 31918617), (3, 10639539), (9, 3546513), (27, 1182171), (81, 394057), (389, 82053), (1013, 31509), (1167, 27351), (3039, 10503), (3501, 9117)]