42161391

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{2293}}^1$

素因数の和:2532

約数の個数: 20

約数和(自身を含む): 63286872

約数和(自身を除く): 21125481

約数列:

[1, 3, 9, 27, 81, 227, 681, 2043, 2293, 6129, 6879, 18387, 20637, 61911, 185733, 520511, 1561533, 4684599, 14053797, 42161391]

約数ペア:

[(1, 42161391), (3, 14053797), (9, 4684599), (27, 1561533), (81, 520511), (227, 185733), (681, 61911), (2043, 20637), (2293, 18387), (6129, 6879)]