9967647

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5641}}^1$

素因数の和:5694

約数の個数: 16

約数和(自身を含む): 14443520

約数和(自身を除く): 4475873

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 5641, 16923, 107179, 174871, 321537, 524613, 3322549, 9967647]

約数ペア:

[(1, 9967647), (3, 3322549), (19, 524613), (31, 321537), (57, 174871), (93, 107179), (589, 16923), (1767, 5641)]