28640493

素因数分解:

$3^3\times 7^1\times {\mathrm{151537}}^1$

素因数の和:151553

約数の個数: 16

約数和(自身を含む): 48492160

約数和(自身を除く): 19851667

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 151537, 454611, 1060759, 1363833, 3182277, 4091499, 9546831, 28640493]

約数ペア:

[(1, 28640493), (3, 9546831), (7, 4091499), (9, 3182277), (21, 1363833), (27, 1060759), (63, 454611), (189, 151537)]