139143915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71909}}^1$

素因数の和:71963

約数の個数: 24

約数和(自身を含む): 246795120

約数和(自身を除く): 107651205

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 71909, 215727, 359545, 647181, 1078635, 3092087, 3235905, 9276261, 15460435, 27828783, 46381305, 139143915]

約数ペア:

[(1, 139143915), (3, 46381305), (5, 27828783), (9, 15460435), (15, 9276261), (43, 3235905), (45, 3092087), (129, 1078635), (215, 647181), (387, 359545), (645, 215727), (1935, 71909)]