17956071

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 29756064

約数和(自身を除く): 11799993

約数列:

[1, 3, 7, 9, 21, 63, 421, 677, 1263, 2031, 2947, 3789, 4739, 6093, 8841, 14217, 26523, 42651, 285017, 855051, 1995119, 2565153, 5985357, 17956071]

約数ペア:

[(1, 17956071), (3, 5985357), (7, 2565153), (9, 1995119), (21, 855051), (63, 285017), (421, 42651), (677, 26523), (1263, 14217), (2031, 8841), (2947, 6093), (3789, 4739)]