25138755

素因数分解:

$3^4\times 5^1\times {\mathrm{62071}}^1$

素因数の和:62088

約数の個数: 20

約数和(自身を含む): 45064272

約数和(自身を除く): 19925517

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62071, 186213, 310355, 558639, 931065, 1675917, 2793195, 5027751, 8379585, 25138755]

約数ペア:

[(1, 25138755), (3, 8379585), (5, 5027751), (9, 2793195), (15, 1675917), (27, 931065), (45, 558639), (81, 310355), (135, 186213), (405, 62071)]