207981045

素因数分解:

$3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{5393}}^1$

素因数の和:6261

約数の個数: 24

約数和(自身を含む): 360988056

約数和(自身を除く): 153007011

約数列:

[1, 3, 5, 9, 15, 45, 857, 2571, 4285, 5393, 7713, 12855, 16179, 26965, 38565, 48537, 80895, 242685, 4621801, 13865403, 23109005, 41596209, 69327015, 207981045]

約数ペア:

[(1, 207981045), (3, 69327015), (5, 41596209), (9, 23109005), (15, 13865403), (45, 4621801), (857, 242685), (2571, 80895), (4285, 48537), (5393, 38565), (7713, 26965), (12855, 16179)]