31231291

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11071}}^1$

素因数の和:11122

約数の個数: 16

約数和(自身を含む): 39682048

約数和(自身を除く): 8450757

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 11071, 77497, 143923, 343201, 1007461, 2402407, 4461613, 31231291]

約数ペア:

[(1, 31231291), (7, 4461613), (13, 2402407), (31, 1007461), (91, 343201), (217, 143923), (403, 77497), (2821, 11071)]