2820663

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 20

約数和(自身を含む): 4268880

約数和(自身を除く): 1448217

約数列:

[1, 3, 9, 27, 81, 97, 291, 359, 873, 1077, 2619, 3231, 7857, 9693, 29079, 34823, 104469, 313407, 940221, 2820663]

約数ペア:

[(1, 2820663), (3, 940221), (9, 313407), (27, 104469), (81, 34823), (97, 29079), (291, 9693), (359, 7857), (873, 3231), (1077, 2619)]