28136403

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4397}}^1$

素因数の和:4488

約数の個数: 20

約数和(自身を含む): 42572640

約数和(自身を除く): 14436237

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4397, 6399, 13191, 39573, 118719, 347363, 356157, 1042089, 3126267, 9378801, 28136403]

約数ペア:

[(1, 28136403), (3, 9378801), (9, 3126267), (27, 1042089), (79, 356157), (81, 347363), (237, 118719), (711, 39573), (2133, 13191), (4397, 6399)]