20130513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9739}}^1$

素因数の和:9808

約数の個数: 16

約数和(自身を含む): 29453760

約数和(自身を除く): 9323247

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9739, 29217, 126607, 379821, 516167, 1548501, 6710171, 20130513]

約数ペア:

[(1, 20130513), (3, 6710171), (13, 1548501), (39, 516167), (53, 379821), (159, 126607), (689, 29217), (2067, 9739)]