128865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 229824

約数和(自身を除く): 100959

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 121, 165, 213, 355, 363, 605, 781, 1065, 1815, 2343, 3905, 8591, 11715, 25773, 42955, 128865]

約数ペア:

[(1, 128865), (3, 42955), (5, 25773), (11, 11715), (15, 8591), (33, 3905), (55, 2343), (71, 1815), (121, 1065), (165, 781), (213, 605), (355, 363)]