23909991

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{523}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 37275264

約数和(自身を除く): 13365273

約数列:

[1, 3, 7, 21, 49, 147, 311, 523, 933, 1569, 2177, 3661, 6531, 10983, 15239, 25627, 45717, 76881, 162653, 487959, 1138571, 3415713, 7969997, 23909991]

約数ペア:

[(1, 23909991), (3, 7969997), (7, 3415713), (21, 1138571), (49, 487959), (147, 162653), (311, 76881), (523, 45717), (933, 25627), (1569, 15239), (2177, 10983), (3661, 6531)]