28498797

素因数分解:

$3^7\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 43532160

約数和(自身を除く): 15033363

約数列:

[1, 3, 9, 27, 81, 83, 157, 243, 249, 471, 729, 747, 1413, 2187, 2241, 4239, 6723, 12717, 13031, 20169, 38151, 39093, 60507, 114453, 117279, 181521, 343359, 351837, 1055511, 3166533, 9499599, 28498797]

約数ペア:

[(1, 28498797), (3, 9499599), (9, 3166533), (27, 1055511), (81, 351837), (83, 343359), (157, 181521), (243, 117279), (249, 114453), (471, 60507), (729, 39093), (747, 38151), (1413, 20169), (2187, 13031), (2241, 12717), (4239, 6723)]