28488213

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81163}}^1$

素因数の和:81185

約数の個数: 16

約数和(自身を含む): 45451840

約数和(自身を除く): 16963627

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81163, 243489, 730467, 1055119, 2191401, 3165357, 9496071, 28488213]

約数ペア:

[(1, 28488213), (3, 9496071), (9, 3165357), (13, 2191401), (27, 1055119), (39, 730467), (117, 243489), (351, 81163)]