25396011

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18443}}^1$

素因数の和:18472

約数の個数: 20

約数和(自身を含む): 40171032

約数和(自身を除く): 14775021

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18443, 55329, 165987, 313531, 497961, 940593, 1493883, 2821779, 8465337, 25396011]

約数ペア:

[(1, 25396011), (3, 8465337), (9, 2821779), (17, 1493883), (27, 940593), (51, 497961), (81, 313531), (153, 165987), (459, 55329), (1377, 18443)]