790641

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:282

約数の個数: 20

約数和(自身を含む): 1213872

約数和(自身を除く): 423231

約数列:

[1, 3, 9, 27, 43, 81, 129, 227, 387, 681, 1161, 2043, 3483, 6129, 9761, 18387, 29283, 87849, 263547, 790641]

約数ペア:

[(1, 790641), (3, 263547), (9, 87849), (27, 29283), (43, 18387), (81, 9761), (129, 6129), (227, 3483), (387, 2043), (681, 1161)]