12540735

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6481}}^1$

素因数の和:6535

約数の個数: 24

約数和(自身を含む): 22246224

約数和(自身を除く): 9705489

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6481, 19443, 32405, 58329, 97215, 278683, 291645, 836049, 1393415, 2508147, 4180245, 12540735]

約数ペア:

[(1, 12540735), (3, 4180245), (5, 2508147), (9, 1393415), (15, 836049), (43, 291645), (45, 278683), (129, 97215), (215, 58329), (387, 32405), (645, 19443), (1935, 6481)]