9991191

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6701}}^1$

素因数の和:6782

約数の個数: 16

約数和(自身を含む): 15441408

約数和(自身を除く): 5450217

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 6701, 20103, 46907, 140721, 475771, 1427313, 3330397, 9991191]

約数ペア:

[(1, 9991191), (3, 3330397), (7, 1427313), (21, 475771), (71, 140721), (213, 46907), (497, 20103), (1491, 6701)]