291226281

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{14153}}^1$

素因数の和:14213

約数の個数: 16

約数和(自身を含む): 409899840

約数和(自身を除く): 118673559

約数列:

[1, 3, 19, 57, 361, 1083, 6859, 14153, 20577, 42459, 268907, 806721, 5109233, 15327699, 97075427, 291226281]

約数ペア:

[(1, 291226281), (3, 97075427), (19, 15327699), (57, 5109233), (361, 806721), (1083, 268907), (6859, 42459), (14153, 20577)]