213531969

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{67339}}^1$

素因数の和:67500

約数の個数: 16

約数和(自身を含む): 327541760

約数和(自身を除く): 114009791

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 67339, 202017, 471373, 1414119, 10168189, 30504567, 71177323, 213531969]

約数ペア:

[(1, 213531969), (3, 71177323), (7, 30504567), (21, 10168189), (151, 1414119), (453, 471373), (1057, 202017), (3171, 67339)]