28515903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 44620800

約数和(自身を除く): 16104897

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1327, 1653, 3981, 7163, 17251, 21489, 25213, 38483, 51753, 75639, 115449, 327769, 500279, 731177, 983307, 1500837, 2193531, 9505301, 28515903]

約数ペア:

[(1, 28515903), (3, 9505301), (13, 2193531), (19, 1500837), (29, 983307), (39, 731177), (57, 500279), (87, 327769), (247, 115449), (377, 75639), (551, 51753), (741, 38483), (1131, 25213), (1327, 21489), (1653, 17251), (3981, 7163)]