91991291

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1901}}^1$

素因数の和:2162

約数の個数: 16

約数和(自身を含む): 109068288

約数和(自身を除く): 17076997

約数列:

[1, 7, 31, 217, 223, 1561, 1901, 6913, 13307, 48391, 58931, 412517, 423923, 2967461, 13141613, 91991291]

約数ペア:

[(1, 91991291), (7, 13141613), (31, 2967461), (217, 423923), (223, 412517), (1561, 58931), (1901, 48391), (6913, 13307)]