16991313

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{773}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 24074496

約数和(自身を除く): 7083183

約数列:

[1, 3, 17, 51, 431, 773, 1293, 2319, 7327, 13141, 21981, 39423, 333163, 999489, 5663771, 16991313]

約数ペア:

[(1, 16991313), (3, 5663771), (17, 999489), (51, 333163), (431, 39423), (773, 21981), (1293, 13141), (2319, 7327)]