211375647

素因数分解:

$3^2\times 7^1\times {\mathrm{1523}}^1\times {\mathrm{2203}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 349325184

約数和(自身を除く): 137949537

約数列:

[1, 3, 7, 9, 21, 63, 1523, 2203, 4569, 6609, 10661, 13707, 15421, 19827, 31983, 46263, 95949, 138789, 3355169, 10065507, 23486183, 30196521, 70458549, 211375647]

約数ペア:

[(1, 211375647), (3, 70458549), (7, 30196521), (9, 23486183), (21, 10065507), (63, 3355169), (1523, 138789), (2203, 95949), (4569, 46263), (6609, 31983), (10661, 19827), (13707, 15421)]