31640949

素因数分解:

$3^4\times {\mathrm{577}}^1\times {\mathrm{677}}^1$

素因数の和:1266

約数の個数: 20

約数和(自身を含む): 47417964

約数和(自身を除く): 15777015

約数列:

[1, 3, 9, 27, 81, 577, 677, 1731, 2031, 5193, 6093, 15579, 18279, 46737, 54837, 390629, 1171887, 3515661, 10546983, 31640949]

約数ペア:

[(1, 31640949), (3, 10546983), (9, 3515661), (27, 1171887), (81, 390629), (577, 54837), (677, 46737), (1731, 18279), (2031, 15579), (5193, 6093)]