2851929

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 20

約数和(自身を含む): 4308084

約数和(自身を除く): 1456155

約数列:

[1, 3, 9, 27, 81, 137, 257, 411, 771, 1233, 2313, 3699, 6939, 11097, 20817, 35209, 105627, 316881, 950643, 2851929]

約数ペア:

[(1, 2851929), (3, 950643), (9, 316881), (27, 105627), (81, 35209), (137, 20817), (257, 11097), (411, 6939), (771, 3699), (1233, 2313)]