9881421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 15372288

約数和(自身を除く): 5490867

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 277, 517, 759, 831, 1081, 1551, 3047, 3243, 6371, 9141, 11891, 13019, 19113, 35673, 39057, 70081, 143209, 210243, 299437, 429627, 898311, 3293807, 9881421]

約数ペア:

[(1, 9881421), (3, 3293807), (11, 898311), (23, 429627), (33, 299437), (47, 210243), (69, 143209), (141, 70081), (253, 39057), (277, 35673), (517, 19113), (759, 13019), (831, 11891), (1081, 9141), (1551, 6371), (3047, 3243)]