6981443

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 8426496

約数和(自身を除く): 1445053

約数列:

[1, 7, 23, 103, 161, 421, 721, 2369, 2947, 9683, 16583, 43363, 67781, 303541, 997349, 6981443]

約数ペア:

[(1, 6981443), (7, 997349), (23, 303541), (103, 67781), (161, 43363), (421, 16583), (721, 9683), (2369, 2947)]