489693

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 16

約数和(自身を含む): 700416

約数和(自身を除く): 210723

約数列:

[1, 3, 23, 47, 69, 141, 151, 453, 1081, 3243, 3473, 7097, 10419, 21291, 163231, 489693]

約数ペア:

[(1, 489693), (3, 163231), (23, 21291), (47, 10419), (69, 7097), (141, 3473), (151, 3243), (453, 1081)]