25901289

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{13903}}^1$

素因数の和:13938

約数の個数: 20

約数和(自身を含む): 40377216

約数和(自身を除く): 14475927

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 13903, 41709, 125127, 319769, 375381, 959307, 1126143, 2877921, 8633763, 25901289]

約数ペア:

[(1, 25901289), (3, 8633763), (9, 2877921), (23, 1126143), (27, 959307), (69, 375381), (81, 319769), (207, 125127), (621, 41709), (1863, 13903)]