25908579

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1152

約数の個数: 20

約数和(自身を含む): 38841000

約数和(自身を除く): 12932421

約数列:

[1, 3, 9, 27, 81, 499, 641, 1497, 1923, 4491, 5769, 13473, 17307, 40419, 51921, 319859, 959577, 2878731, 8636193, 25908579]

約数ペア:

[(1, 25908579), (3, 8636193), (9, 2878731), (27, 959577), (81, 319859), (499, 51921), (641, 40419), (1497, 17307), (1923, 13473), (4491, 5769)]