25172217

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12889}}^1$

素因数の和:12933

約数の個数: 24

約数和(自身を含む): 42897920

約数和(自身を除く): 17725703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 12889, 38667, 90223, 116001, 270669, 399559, 812007, 1198677, 2796913, 3596031, 8390739, 25172217]

約数ペア:

[(1, 25172217), (3, 8390739), (7, 3596031), (9, 2796913), (21, 1198677), (31, 812007), (63, 399559), (93, 270669), (217, 116001), (279, 90223), (651, 38667), (1953, 12889)]