90019321

素因数分解:

$7^3\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:786

約数の個数: 24

約数和(自身を含む): 110947200

約数和(自身を除く): 20927879

約数列:

[1, 7, 19, 49, 133, 343, 361, 727, 931, 2527, 5089, 6517, 13813, 17689, 35623, 96691, 123823, 249361, 262447, 676837, 1837129, 4737859, 12859903, 90019321]

約数ペア:

[(1, 90019321), (7, 12859903), (19, 4737859), (49, 1837129), (133, 676837), (343, 262447), (361, 249361), (727, 123823), (931, 96691), (2527, 35623), (5089, 17689), (6517, 13813)]