42270417

素因数分解:

$3^4\times 7^1\times {\mathrm{74551}}^1$

素因数の和:74570

約数の個数: 20

約数和(自身を含む): 72166336

約数和(自身を除く): 29895919

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 74551, 223653, 521857, 670959, 1565571, 2012877, 4696713, 6038631, 14090139, 42270417]

約数ペア:

[(1, 42270417), (3, 14090139), (7, 6038631), (9, 4696713), (21, 2012877), (27, 1565571), (63, 670959), (81, 521857), (189, 223653), (567, 74551)]