30987817

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 37172224

約数和(自身を除く): 6184407

約数列:

[1, 7, 31, 61, 217, 427, 1891, 2341, 13237, 16387, 72571, 142801, 507997, 999607, 4426831, 30987817]

約数ペア:

[(1, 30987817), (7, 4426831), (31, 999607), (61, 507997), (217, 142801), (427, 72571), (1891, 16387), (2341, 13237)]