280953

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 449280

約数和(自身を除く): 168327

約数列:

[1, 3, 9, 19, 31, 53, 57, 93, 159, 171, 279, 477, 589, 1007, 1643, 1767, 3021, 4929, 5301, 9063, 14787, 31217, 93651, 280953]

約数ペア:

[(1, 280953), (3, 93651), (9, 31217), (19, 14787), (31, 9063), (53, 5301), (57, 4929), (93, 3021), (159, 1767), (171, 1643), (279, 1007), (477, 589)]