210006495

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7213}}^1$

素因数の和:7871

約数の個数: 24

約数和(自身を含む): 364624416

約数和(自身を除く): 154617921

約数列:

[1, 3, 5, 9, 15, 45, 647, 1941, 3235, 5823, 7213, 9705, 21639, 29115, 36065, 64917, 108195, 324585, 4666811, 14000433, 23334055, 42001299, 70002165, 210006495]

約数ペア:

[(1, 210006495), (3, 70002165), (5, 42001299), (9, 23334055), (15, 14000433), (45, 4666811), (647, 324585), (1941, 108195), (3235, 64917), (5823, 36065), (7213, 29115), (9705, 21639)]