203420655

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{57221}}^1$

素因数の和:57311

約数の個数: 24

約数和(自身を含む): 357065280

約数和(自身を除く): 153644625

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 57221, 171663, 286105, 514989, 858315, 2574945, 4520459, 13561377, 22602295, 40684131, 67806885, 203420655]

約数ペア:

[(1, 203420655), (3, 67806885), (5, 40684131), (9, 22602295), (15, 13561377), (45, 4520459), (79, 2574945), (237, 858315), (395, 514989), (711, 286105), (1185, 171663), (3555, 57221)]