28193589

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 42558880

約数和(自身を除く): 14365291

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 739, 1413, 2217, 4239, 6651, 12717, 19953, 38151, 59859, 116023, 179577, 348069, 1044207, 3132621, 9397863, 28193589]

約数ペア:

[(1, 28193589), (3, 9397863), (9, 3132621), (27, 1044207), (81, 348069), (157, 179577), (243, 116023), (471, 59859), (739, 38151), (1413, 19953), (2217, 12717), (4239, 6651)]