664840185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1927073}}^1$

素因数の和:1927104

約数の個数: 16

約数和(自身を含む): 1109994624

約数和(自身を除く): 445154439

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 1927073, 5781219, 9635365, 28906095, 44322679, 132968037, 221613395, 664840185]

約数ペア:

[(1, 664840185), (3, 221613395), (5, 132968037), (15, 44322679), (23, 28906095), (69, 9635365), (115, 5781219), (345, 1927073)]