31391343

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1091}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 47698560

約数和(自身を除く): 16307217

約数列:

[1, 3, 9, 23, 69, 139, 207, 417, 1091, 1251, 3197, 3273, 9591, 9819, 25093, 28773, 75279, 151649, 225837, 454947, 1364841, 3487927, 10463781, 31391343]

約数ペア:

[(1, 31391343), (3, 10463781), (9, 3487927), (23, 1364841), (69, 454947), (139, 225837), (207, 151649), (417, 75279), (1091, 28773), (1251, 25093), (3197, 9819), (3273, 9591)]