212684805

素因数分解:

$3^3\times 5^1\times {\mathrm{1575443}}^1$

素因数の和:1575457

約数の個数: 16

約数和(自身を含む): 378106560

約数和(自身を除く): 165421755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1575443, 4726329, 7877215, 14178987, 23631645, 42536961, 70894935, 212684805]

約数ペア:

[(1, 212684805), (3, 70894935), (5, 42536961), (9, 23631645), (15, 14178987), (27, 7877215), (45, 4726329), (135, 1575443)]