201209805

素因数分解:

$3^3\times 5^1\times {\mathrm{1490443}}^1$

素因数の和:1490457

約数の個数: 16

約数和(自身を含む): 357706560

約数和(自身を除く): 156496755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1490443, 4471329, 7452215, 13413987, 22356645, 40241961, 67069935, 201209805]

約数ペア:

[(1, 201209805), (3, 67069935), (5, 40241961), (9, 22356645), (15, 13413987), (27, 7452215), (45, 4471329), (135, 1490443)]