2644731

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:432

約数の個数: 20

約数和(自身を含む): 4001712

約数和(自身を除く): 1356981

約数列:

[1, 3, 9, 27, 81, 103, 309, 317, 927, 951, 2781, 2853, 8343, 8559, 25677, 32651, 97953, 293859, 881577, 2644731]

約数ペア:

[(1, 2644731), (3, 881577), (9, 293859), (27, 97953), (81, 32651), (103, 25677), (309, 8559), (317, 8343), (927, 2853), (951, 2781)]