28625013

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1283}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 43132128

約数和(自身を除く): 14507115

約数列:

[1, 3, 9, 37, 67, 111, 201, 333, 603, 1283, 2479, 3849, 7437, 11547, 22311, 47471, 85961, 142413, 257883, 427239, 773649, 3180557, 9541671, 28625013]

約数ペア:

[(1, 28625013), (3, 9541671), (9, 3180557), (37, 773649), (67, 427239), (111, 257883), (201, 142413), (333, 85961), (603, 47471), (1283, 22311), (2479, 11547), (3849, 7437)]