28866159

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 49226240

約数和(自身を除く): 20360081

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 937, 1141, 1467, 2811, 3423, 4401, 6559, 8433, 10269, 19677, 25299, 30807, 59031, 152731, 177093, 458193, 1069117, 1374579, 3207351, 4123737, 9622053, 28866159]

約数ペア:

[(1, 28866159), (3, 9622053), (7, 4123737), (9, 3207351), (21, 1374579), (27, 1069117), (63, 458193), (163, 177093), (189, 152731), (489, 59031), (937, 30807), (1141, 25299), (1467, 19677), (2811, 10269), (3423, 8433), (4401, 6559)]