25890561

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 38648064

約数和(自身を除く): 12757503

約数列:

[1, 3, 9, 47, 97, 141, 291, 423, 631, 873, 1893, 4559, 5679, 13677, 29657, 41031, 61207, 88971, 183621, 266913, 550863, 2876729, 8630187, 25890561]

約数ペア:

[(1, 25890561), (3, 8630187), (9, 2876729), (47, 550863), (97, 266913), (141, 183621), (291, 88971), (423, 61207), (631, 41031), (873, 29657), (1893, 13677), (4559, 5679)]