12178755

素因数分解:

$3^4\times 5^1\times {\mathrm{30071}}^1$

素因数の和:30088

約数の個数: 20

約数和(自身を含む): 21832272

約数和(自身を除く): 9653517

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30071, 90213, 150355, 270639, 451065, 811917, 1353195, 2435751, 4059585, 12178755]

約数ペア:

[(1, 12178755), (3, 4059585), (5, 2435751), (9, 1353195), (15, 811917), (27, 451065), (45, 270639), (81, 150355), (135, 90213), (405, 30071)]