2785347

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:400

約数の個数: 20

約数和(自身を含む): 4207896

約数和(自身を除く): 1422549

約数列:

[1, 3, 9, 27, 81, 137, 251, 411, 753, 1233, 2259, 3699, 6777, 11097, 20331, 34387, 103161, 309483, 928449, 2785347]

約数ペア:

[(1, 2785347), (3, 928449), (9, 309483), (27, 103161), (81, 34387), (137, 20331), (251, 11097), (411, 6777), (753, 3699), (1233, 2259)]