31856571

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:598

約数の個数: 28

約数和(自身を含む): 48398040

約数和(自身を除く): 16541469

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 491, 729, 801, 1473, 2403, 4419, 7209, 13257, 21627, 39771, 43699, 64881, 119313, 131097, 357939, 393291, 1179873, 3539619, 10618857, 31856571]

約数ペア:

[(1, 31856571), (3, 10618857), (9, 3539619), (27, 1179873), (81, 393291), (89, 357939), (243, 131097), (267, 119313), (491, 64881), (729, 43699), (801, 39771), (1473, 21627), (2403, 13257), (4419, 7209)]