17891217

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4549}}^1$

素因数の和:4597

約数の個数: 24

約数和(自身を含む): 28392000

約数和(自身を除く): 10500783

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4549, 13647, 40941, 86431, 104627, 259293, 313881, 777879, 941643, 1987913, 5963739, 17891217]

約数ペア:

[(1, 17891217), (3, 5963739), (9, 1987913), (19, 941643), (23, 777879), (57, 313881), (69, 259293), (171, 104627), (207, 86431), (437, 40941), (1311, 13647), (3933, 4549)]