28680759

素因数分解:

$3^2\times {\mathrm{571}}^1\times {\mathrm{5581}}^1$

素因数の和:6158

約数の個数: 12

約数和(自身を含む): 41507752

約数和(自身を除く): 12826993

約数列:

[1, 3, 9, 571, 1713, 5139, 5581, 16743, 50229, 3186751, 9560253, 28680759]

約数ペア:

[(1, 28680759), (3, 9560253), (9, 3186751), (571, 50229), (1713, 16743), (5139, 5581)]