331300221

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{21881}}^1$

素因数の和:22001

約数の個数: 24

約数和(自身を含む): 518865984

約数和(自身を除く): 187565763

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 15141, 21881, 65643, 153167, 459501, 1072169, 2253743, 3216507, 6761229, 15776201, 47328603, 110433407, 331300221]

約数ペア:

[(1, 331300221), (3, 110433407), (7, 47328603), (21, 15776201), (49, 6761229), (103, 3216507), (147, 2253743), (309, 1072169), (721, 459501), (2163, 153167), (5047, 65643), (15141, 21881)]