128855169

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18379}}^1$

素因数の和:18445

約数の個数: 24

約数和(自身を含む): 200709600

約数和(自身を除く): 71854431

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 18379, 55137, 165411, 349201, 753539, 1047603, 2260617, 3142809, 6781851, 14317241, 42951723, 128855169]

約数ペア:

[(1, 128855169), (3, 42951723), (9, 14317241), (19, 6781851), (41, 3142809), (57, 2260617), (123, 1047603), (171, 753539), (369, 349201), (779, 165411), (2337, 55137), (7011, 18379)]