25226721

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23957}}^1$

素因数の和:23982

約数の個数: 20

約数和(自身を含む): 40584852

約数和(自身を除く): 15358131

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 23957, 71871, 215613, 311441, 646839, 934323, 1940517, 2802969, 8408907, 25226721]

約数ペア:

[(1, 25226721), (3, 8408907), (9, 2802969), (13, 1940517), (27, 934323), (39, 646839), (81, 311441), (117, 215613), (351, 71871), (1053, 23957)]