28244295

素因数分解:

$3^4\times 5^1\times {\mathrm{69739}}^1$

素因数の和:69756

約数の個数: 20

約数和(自身を含む): 50631240

約数和(自身を除く): 22386945

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69739, 209217, 348695, 627651, 1046085, 1882953, 3138255, 5648859, 9414765, 28244295]

約数ペア:

[(1, 28244295), (3, 9414765), (5, 5648859), (9, 3138255), (15, 1882953), (27, 1046085), (45, 627651), (81, 348695), (135, 209217), (405, 69739)]