81362445

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4729}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 138040320

約数和(自身を除く): 56677875

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 3441, 4729, 5735, 14187, 17205, 23645, 70935, 146599, 174973, 439797, 524919, 732995, 874865, 2198985, 2624595, 5424163, 16272489, 27120815, 81362445]

約数ペア:

[(1, 81362445), (3, 27120815), (5, 16272489), (15, 5424163), (31, 2624595), (37, 2198985), (93, 874865), (111, 732995), (155, 524919), (185, 439797), (465, 174973), (555, 146599), (1147, 70935), (3441, 23645), (4729, 17205), (5735, 14187)]