31990491

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{91141}}^1$

素因数の和:91163

約数の個数: 16

約数和(自身を含む): 51039520

約数和(自身を除く): 19049029

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 91141, 273423, 820269, 1184833, 2460807, 3554499, 10663497, 31990491]

約数ペア:

[(1, 31990491), (3, 10663497), (9, 3554499), (13, 2460807), (27, 1184833), (39, 820269), (117, 273423), (351, 91141)]