989851158

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{495421}}^1$

素因数の和:495469

約数の個数: 32

約数和(自身を含む): 2259124320

約数和(自身を除く): 1269273162

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 495421, 990842, 1486263, 2972526, 4458789, 8917578, 13376367, 18330577, 26752734, 36661154, 54991731, 109983462, 164975193, 329950386, 494925579, 989851158]

約数ペア:

[(1, 989851158), (2, 494925579), (3, 329950386), (6, 164975193), (9, 109983462), (18, 54991731), (27, 36661154), (37, 26752734), (54, 18330577), (74, 13376367), (111, 8917578), (222, 4458789), (333, 2972526), (666, 1486263), (999, 990842), (1998, 495421)]