166987233

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19069}}^1$

素因数の和:19221

約数の個数: 24

約数和(自身を含む): 277659200

約数和(自身を除く): 110671967

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 19069, 57207, 133483, 171621, 400449, 1201347, 2650591, 7951773, 18554137, 23855319, 55662411, 166987233]

約数ペア:

[(1, 166987233), (3, 55662411), (7, 23855319), (9, 18554137), (21, 7951773), (63, 2650591), (139, 1201347), (417, 400449), (973, 171621), (1251, 133483), (2919, 57207), (8757, 19069)]