851618457

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{887}}^1\times {\mathrm{997}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 1244258496

約数和(自身を除く): 392640039

約数列:

[1, 3, 9, 107, 321, 887, 963, 997, 2661, 2991, 7983, 8973, 94909, 106679, 284727, 320037, 854181, 884339, 960111, 2653017, 7959051, 94624273, 283872819, 851618457]

約数ペア:

[(1, 851618457), (3, 283872819), (9, 94624273), (107, 7959051), (321, 2653017), (887, 960111), (963, 884339), (997, 854181), (2661, 320037), (2991, 284727), (7983, 106679), (8973, 94909)]