2220199263

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{8867}}^1$

素因数の和:9563

約数の個数: 24

約数和(自身を含む): 3286977408

約数和(自身を除く): 1066778145

約数列:

[1, 3, 9, 43, 129, 387, 647, 1941, 5823, 8867, 26601, 27821, 79803, 83463, 250389, 381281, 1143843, 3431529, 5736949, 17210847, 51632541, 246688807, 740066421, 2220199263]

約数ペア:

[(1, 2220199263), (3, 740066421), (9, 246688807), (43, 51632541), (129, 17210847), (387, 5736949), (647, 3431529), (1941, 1143843), (5823, 381281), (8867, 250389), (26601, 83463), (27821, 79803)]