208029915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107509}}^1$

素因数の和:107563

約数の個数: 24

約数和(自身を含む): 368974320

約数和(自身を除く): 160944405

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 107509, 322527, 537545, 967581, 1612635, 4622887, 4837905, 13868661, 23114435, 41605983, 69343305, 208029915]

約数ペア:

[(1, 208029915), (3, 69343305), (5, 41605983), (9, 23114435), (15, 13868661), (43, 4837905), (45, 4622887), (129, 1612635), (215, 967581), (387, 537545), (645, 322527), (1935, 107509)]