28312983

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18397}}^1$

素因数の和:18428

約数の個数: 20

約数和(自身を含む): 44523160

約数和(自身を除く): 16210177

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18397, 55191, 165573, 349543, 496719, 1048629, 1490157, 3145887, 9437661, 28312983]

約数ペア:

[(1, 28312983), (3, 9437661), (9, 3145887), (19, 1490157), (27, 1048629), (57, 496719), (81, 349543), (171, 165573), (513, 55191), (1539, 18397)]