122791991

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{31721}}^1$

素因数の和:31814

約数の個数: 12

約数和(自身を含む): 144652320

約数和(自身を除く): 21860329

約数列:

[1, 7, 49, 79, 553, 3871, 31721, 222047, 1554329, 2505959, 17541713, 122791991]

約数ペア:

[(1, 122791991), (7, 17541713), (49, 2505959), (79, 1554329), (553, 222047), (3871, 31721)]