128404809

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{3109}}^1$

素因数の和:3481

約数の個数: 24

約数和(自身を含む): 200371080

約数和(自身を除く): 71966271

約数列:

[1, 3, 9, 13, 39, 117, 353, 1059, 3109, 3177, 4589, 9327, 13767, 27981, 40417, 41301, 121251, 363753, 1097477, 3292431, 9877293, 14267201, 42801603, 128404809]

約数ペア:

[(1, 128404809), (3, 42801603), (9, 14267201), (13, 9877293), (39, 3292431), (117, 1097477), (353, 363753), (1059, 121251), (3109, 41301), (3177, 40417), (4589, 27981), (9327, 13767)]