25312281

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 34495488

約数和(自身を除く): 9183207

約数列:

[1, 3, 71, 151, 213, 453, 787, 2361, 10721, 32163, 55877, 118837, 167631, 356511, 8437427, 25312281]

約数ペア:

[(1, 25312281), (3, 8437427), (71, 356511), (151, 167631), (213, 118837), (453, 55877), (787, 32163), (2361, 10721)]