28820475

素因数分解:

$3^3\times 5^2\times {\mathrm{42697}}^1$

素因数の和:42716

約数の個数: 24

約数和(自身を含む): 52945520

約数和(自身を除く): 24125045

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 42697, 128091, 213485, 384273, 640455, 1067425, 1152819, 1921365, 3202275, 5764095, 9606825, 28820475]

約数ペア:

[(1, 28820475), (3, 9606825), (5, 5764095), (9, 3202275), (15, 1921365), (25, 1152819), (27, 1067425), (45, 640455), (75, 384273), (135, 213485), (225, 128091), (675, 42697)]