11891275

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{3931}}^1$

素因数の和:3963

約数の個数: 18

約数和(自身を含む): 16211636

約数和(自身を除く): 4320361

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 3931, 19655, 43241, 98275, 216205, 475651, 1081025, 2378255, 11891275]

約数ペア:

[(1, 11891275), (5, 2378255), (11, 1081025), (25, 475651), (55, 216205), (121, 98275), (275, 43241), (605, 19655), (3025, 3931)]