128825145

素因数分解:

$3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{3023}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 223606656

約数和(自身を除く): 94781511

約数列:

[1, 3, 5, 9, 15, 45, 947, 2841, 3023, 4735, 8523, 9069, 14205, 15115, 27207, 42615, 45345, 136035, 2862781, 8588343, 14313905, 25765029, 42941715, 128825145]

約数ペア:

[(1, 128825145), (3, 42941715), (5, 25765029), (9, 14313905), (15, 8588343), (45, 2862781), (947, 136035), (2841, 45345), (3023, 42615), (4735, 27207), (8523, 15115), (9069, 14205)]