25089345

素因数分解:

$3^4\times 5^1\times {\mathrm{61949}}^1$

素因数の和:61966

約数の個数: 20

約数和(自身を含む): 44975700

約数和(自身を除く): 19886355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 61949, 185847, 309745, 557541, 929235, 1672623, 2787705, 5017869, 8363115, 25089345]

約数ペア:

[(1, 25089345), (3, 8363115), (5, 5017869), (9, 2787705), (15, 1672623), (27, 929235), (45, 557541), (81, 309745), (135, 185847), (405, 61949)]