3989649

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 5640192

約数和(自身を除く): 1650543

約数列:

[1, 3, 23, 67, 69, 201, 863, 1541, 2589, 4623, 19849, 57821, 59547, 173463, 1329883, 3989649]

約数ペア:

[(1, 3989649), (3, 1329883), (23, 173463), (67, 59547), (69, 57821), (201, 19849), (863, 4623), (1541, 2589)]