28265193

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31723}}^1$

素因数の和:31746

約数の個数: 20

約数和(自身を含む): 46063248

約数和(自身を除く): 17798055

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31723, 95169, 285507, 348953, 856521, 1046859, 2569563, 3140577, 9421731, 28265193]

約数ペア:

[(1, 28265193), (3, 9421731), (9, 3140577), (11, 2569563), (27, 1046859), (33, 856521), (81, 348953), (99, 285507), (297, 95169), (891, 31723)]