155999855

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{2131}}^1$

素因数の和:2180

約数の個数: 20

約数和(自身を含む): 206015160

約数和(自身を除く): 50015305

約数列:

[1, 5, 11, 55, 121, 605, 1331, 2131, 6655, 10655, 14641, 23441, 73205, 117205, 257851, 1289255, 2836361, 14181805, 31199971, 155999855]

約数ペア:

[(1, 155999855), (5, 31199971), (11, 14181805), (55, 2836361), (121, 1289255), (605, 257851), (1331, 117205), (2131, 73205), (6655, 23441), (10655, 14641)]