18401313

素因数分解:

$3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{829}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 28764480

約数和(自身を除く): 10363167

約数列:

[1, 3, 7, 21, 49, 147, 151, 453, 829, 1057, 2487, 3171, 5803, 7399, 17409, 22197, 40621, 121863, 125179, 375537, 876253, 2628759, 6133771, 18401313]

約数ペア:

[(1, 18401313), (3, 6133771), (7, 2628759), (21, 876253), (49, 375537), (147, 125179), (151, 121863), (453, 40621), (829, 22197), (1057, 17409), (2487, 7399), (3171, 5803)]