208057905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{420319}}^1$

素因数の和:420341

約数の個数: 24

約数和(自身を含む): 393419520

約数和(自身を除く): 185361615

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 420319, 1260957, 2101595, 3782871, 4623509, 6304785, 13870527, 18914355, 23117545, 41611581, 69352635, 208057905]

約数ペア:

[(1, 208057905), (3, 69352635), (5, 41611581), (9, 23117545), (11, 18914355), (15, 13870527), (33, 6304785), (45, 4623509), (55, 3782871), (99, 2101595), (165, 1260957), (495, 420319)]