31442589

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 46949760

約数和(自身を除く): 15507171

約数列:

[1, 3, 9, 43, 113, 129, 339, 387, 719, 1017, 2157, 4859, 6471, 14577, 30917, 43731, 81247, 92751, 243741, 278253, 731223, 3493621, 10480863, 31442589]

約数ペア:

[(1, 31442589), (3, 10480863), (9, 3493621), (43, 731223), (113, 278253), (129, 243741), (339, 92751), (387, 81247), (719, 43731), (1017, 30917), (2157, 14577), (4859, 6471)]