204021555

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{140221}}^1$

素因数の和:140326

約数の個数: 16

約数和(自身を含む): 329802144

約数和(自身を除く): 125780589

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 140221, 420663, 701105, 2103315, 13601437, 40804311, 68007185, 204021555]

約数ペア:

[(1, 204021555), (3, 68007185), (5, 40804311), (15, 13601437), (97, 2103315), (291, 701105), (485, 420663), (1455, 140221)]