9957311

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 13000320

約数和(自身を除く): 3043009

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 443, 1183, 1729, 3101, 3211, 5759, 8417, 22477, 40313, 58919, 74867, 109421, 524069, 765947, 1422473, 9957311]

約数ペア:

[(1, 9957311), (7, 1422473), (13, 765947), (19, 524069), (91, 109421), (133, 74867), (169, 58919), (247, 40313), (443, 22477), (1183, 8417), (1729, 5759), (3101, 3211)]