12720186

素因数分解:

$2^1\times 3^3\times {\mathrm{235559}}^1$

素因数の和:235570

約数の個数: 16

約数和(自身を含む): 28267200

約数和(自身を除く): 15547014

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 235559, 471118, 706677, 1413354, 2120031, 4240062, 6360093, 12720186]

約数ペア:

[(1, 12720186), (2, 6360093), (3, 4240062), (6, 2120031), (9, 1413354), (18, 706677), (27, 471118), (54, 235559)]