289753911

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{1637}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 426220704

約数和(自身を除く): 136466793

約数列:

[1, 3, 9, 71, 213, 277, 639, 831, 1637, 2493, 4911, 14733, 19667, 59001, 116227, 177003, 348681, 453449, 1046043, 1360347, 4081041, 32194879, 96584637, 289753911]

約数ペア:

[(1, 289753911), (3, 96584637), (9, 32194879), (71, 4081041), (213, 1360347), (277, 1046043), (639, 453449), (831, 348681), (1637, 177003), (2493, 116227), (4911, 59001), (14733, 19667)]