28993029

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23981}}^1$

素因数の和:24028

約数の個数: 16

約数和(自身を含む): 42975744

約数和(自身を除く): 13982715

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23981, 71943, 311753, 743411, 935259, 2230233, 9664343, 28993029]

約数ペア:

[(1, 28993029), (3, 9664343), (13, 2230233), (31, 935259), (39, 743411), (93, 311753), (403, 71943), (1209, 23981)]