289407717

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{14557}}^1$

素因数の和:14657

約数の個数: 18

約数和(自身を含む): 427146278

約数和(自身を除く): 137738561

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 14557, 19881, 43671, 131013, 684179, 2052537, 6157611, 32156413, 96469239, 289407717]

約数ペア:

[(1, 289407717), (3, 96469239), (9, 32156413), (47, 6157611), (141, 2052537), (423, 684179), (2209, 131013), (6627, 43671), (14557, 19881)]