31277701

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 40255488

約数和(自身を除く): 8977787

約数列:

[1, 7, 13, 47, 71, 91, 103, 329, 497, 611, 721, 923, 1339, 3337, 4277, 4841, 6461, 7313, 9373, 23359, 33887, 43381, 51191, 62933, 95069, 303667, 343711, 440531, 665483, 2405977, 4468243, 31277701]

約数ペア:

[(1, 31277701), (7, 4468243), (13, 2405977), (47, 665483), (71, 440531), (91, 343711), (103, 303667), (329, 95069), (497, 62933), (611, 51191), (721, 43381), (923, 33887), (1339, 23359), (3337, 9373), (4277, 7313), (4841, 6461)]