3187855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 4212000

約数和(自身を除く): 1024145

約数列:

[1, 5, 11, 55, 149, 389, 745, 1639, 1945, 4279, 8195, 21395, 57961, 289805, 637571, 3187855]

約数ペア:

[(1, 3187855), (5, 637571), (11, 289805), (55, 57961), (149, 21395), (389, 8195), (745, 4279), (1639, 1945)]