28475343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{947}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 44514288

約数和(自身を除く): 16038945

約数列:

[1, 3, 9, 13, 39, 117, 257, 771, 947, 2313, 2841, 3341, 8523, 10023, 12311, 30069, 36933, 110799, 243379, 730137, 2190411, 3163927, 9491781, 28475343]

約数ペア:

[(1, 28475343), (3, 9491781), (9, 3163927), (13, 2190411), (39, 730137), (117, 243379), (257, 110799), (771, 36933), (947, 30069), (2313, 12311), (2841, 10023), (3341, 8523)]