28148139

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1697}}^1$

素因数の和:1819

約数の個数: 24

約数和(自身を含む): 43265040

約数和(自身を除く): 15116901

約数列:

[1, 3, 9, 19, 57, 97, 171, 291, 873, 1697, 1843, 5091, 5529, 15273, 16587, 32243, 96729, 164609, 290187, 493827, 1481481, 3127571, 9382713, 28148139]

約数ペア:

[(1, 28148139), (3, 9382713), (9, 3127571), (19, 1481481), (57, 493827), (97, 290187), (171, 164609), (291, 96729), (873, 32243), (1697, 16587), (1843, 15273), (5091, 5529)]