9812887

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 20

約数和(自身を含む): 11809016

約数和(自身を除く): 1996129

約数列:

[1, 7, 49, 61, 67, 343, 427, 469, 2401, 2989, 3283, 4087, 20923, 22981, 28609, 146461, 160867, 200263, 1401841, 9812887]

約数ペア:

[(1, 9812887), (7, 1401841), (49, 200263), (61, 160867), (67, 146461), (343, 28609), (427, 22981), (469, 20923), (2401, 4087), (2989, 3283)]