31231674

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{40351}}^1$

素因数の和:40402

約数の個数: 24

約数和(自身を含む): 69244032

約数和(自身を除く): 38012358

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 40351, 80702, 121053, 242106, 363159, 726318, 1735093, 3470186, 5205279, 10410558, 15615837, 31231674]

約数ペア:

[(1, 31231674), (2, 15615837), (3, 10410558), (6, 5205279), (9, 3470186), (18, 1735093), (43, 726318), (86, 363159), (129, 242106), (258, 121053), (387, 80702), (774, 40351)]