28311777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241981}}^1$

素因数の和:242000

約数の個数: 12

約数和(自身を含む): 44040724

約数和(自身を除く): 15728947

約数列:

[1, 3, 9, 13, 39, 117, 241981, 725943, 2177829, 3145753, 9437259, 28311777]

約数ペア:

[(1, 28311777), (3, 9437259), (9, 3145753), (13, 2177829), (39, 725943), (117, 241981)]