25151679

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5623}}^1$

素因数の和:5707

約数の個数: 24

約数和(自身を含む): 42112512

約数和(自身を除く): 16960833

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5623, 16869, 39361, 50607, 118083, 354249, 399233, 1197699, 2794631, 3593097, 8383893, 25151679]

約数ペア:

[(1, 25151679), (3, 8383893), (7, 3593097), (9, 2794631), (21, 1197699), (63, 399233), (71, 354249), (213, 118083), (497, 50607), (639, 39361), (1491, 16869), (4473, 5623)]