27920187

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1811}}^1$

素因数の和:2391

約数の個数: 16

約数和(自身を含む): 41458560

約数和(自身を除く): 13538373

約数列:

[1, 3, 9, 27, 571, 1713, 1811, 5139, 5433, 15417, 16299, 48897, 1034081, 3102243, 9306729, 27920187]

約数ペア:

[(1, 27920187), (3, 9306729), (9, 3102243), (27, 1034081), (571, 48897), (1713, 16299), (1811, 15417), (5139, 5433)]