661540825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1201}}^1\times {\mathrm{2003}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 896076576

約数和(自身を除く): 234535751

約数列:

[1, 5, 11, 25, 55, 275, 1201, 2003, 6005, 10015, 13211, 22033, 30025, 50075, 66055, 110165, 330275, 550825, 2405603, 12028015, 26461633, 60140075, 132308165, 661540825]

約数ペア:

[(1, 661540825), (5, 132308165), (11, 60140075), (25, 26461633), (55, 12028015), (275, 2405603), (1201, 550825), (2003, 330275), (6005, 110165), (10015, 66055), (13211, 50075), (22033, 30025)]