890303589

素因数分解:

$3^3\times 7^2\times {\mathrm{672943}}^1$

素因数の和:672966

約数の個数: 24

約数和(自身を含む): 1534312320

約数和(自身を除く): 644008731

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 672943, 2018829, 4710601, 6056487, 14131803, 18169461, 32974207, 42395409, 98922621, 127186227, 296767863, 890303589]

約数ペア:

[(1, 890303589), (3, 296767863), (7, 127186227), (9, 98922621), (21, 42395409), (27, 32974207), (49, 18169461), (63, 14131803), (147, 6056487), (189, 4710601), (441, 2018829), (1323, 672943)]