196996821

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{68473}}^1$

素因数の和:68620

約数の個数: 16

約数和(自身を含む): 302381184

約数和(自身を除く): 105384363

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 68473, 205419, 479311, 1437933, 9380801, 28142403, 65665607, 196996821]

約数ペア:

[(1, 196996821), (3, 65665607), (7, 28142403), (21, 9380801), (137, 1437933), (411, 479311), (959, 205419), (2877, 68473)]