28355859

素因数分解:

$3^3\times 7^2\times {\mathrm{21433}}^1$

素因数の和:21456

約数の個数: 24

約数和(自身を含む): 48869520

約数和(自身を除く): 20513661

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21433, 64299, 150031, 192897, 450093, 578691, 1050217, 1350279, 3150651, 4050837, 9451953, 28355859]

約数ペア:

[(1, 28355859), (3, 9451953), (7, 4050837), (9, 3150651), (21, 1350279), (27, 1050217), (49, 578691), (63, 450093), (147, 192897), (189, 150031), (441, 64299), (1323, 21433)]