2781351

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{3323}}^1$

素因数の和:3363

約数の個数: 16

約数和(自身を含む): 4254720

約数和(自身を除く): 1473369

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 3323, 9969, 29907, 89721, 103013, 309039, 927117, 2781351]

約数ペア:

[(1, 2781351), (3, 927117), (9, 309039), (27, 103013), (31, 89721), (93, 29907), (279, 9969), (837, 3323)]