6980421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19553}}^1$

素因数の和:19580

約数の個数: 16

約数和(自身を含む): 11263104

約数和(自身を除く): 4282683

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 19553, 58659, 136871, 332401, 410613, 997203, 2326807, 6980421]

約数ペア:

[(1, 6980421), (3, 2326807), (7, 997203), (17, 410613), (21, 332401), (51, 136871), (119, 58659), (357, 19553)]