80908155

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41813}}^1$

素因数の和:41867

約数の個数: 24

約数和(自身を含む): 143505648

約数和(自身を除く): 62597493

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 41813, 125439, 209065, 376317, 627195, 1797959, 1881585, 5393877, 8989795, 16181631, 26969385, 80908155]

約数ペア:

[(1, 80908155), (3, 26969385), (5, 16181631), (9, 8989795), (15, 5393877), (43, 1881585), (45, 1797959), (129, 627195), (215, 376317), (387, 209065), (645, 125439), (1935, 41813)]