393711279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20477}}^1$

素因数の和:20539

約数の個数: 32

約数和(自身を含む): 619254720

約数和(自身を除く): 225543441

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1131, 1479, 6409, 19227, 20477, 61431, 266201, 348109, 593833, 798603, 1044327, 1781499, 4525417, 7719829, 10095161, 13576251, 23159487, 30285483, 131237093, 393711279]

約数ペア:

[(1, 393711279), (3, 131237093), (13, 30285483), (17, 23159487), (29, 13576251), (39, 10095161), (51, 7719829), (87, 4525417), (221, 1781499), (377, 1044327), (493, 798603), (663, 593833), (1131, 348109), (1479, 266201), (6409, 61431), (19227, 20477)]