25989255

素因数分解:

$3^4\times 5^1\times {\mathrm{64171}}^1$

素因数の和:64188

約数の個数: 20

約数和(自身を含む): 46588872

約数和(自身を除く): 20599617

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 64171, 192513, 320855, 577539, 962565, 1732617, 2887695, 5197851, 8663085, 25989255]

約数ペア:

[(1, 25989255), (3, 8663085), (5, 5197851), (9, 2887695), (15, 1732617), (27, 962565), (45, 577539), (81, 320855), (135, 192513), (405, 64171)]