16989783

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2543}}^1$

素因数の和:2694

約数の個数: 16

約数和(自身を含む): 24178176

約数和(自身を除く): 7188393

約数列:

[1, 3, 17, 51, 131, 393, 2227, 2543, 6681, 7629, 43231, 129693, 333133, 999399, 5663261, 16989783]

約数ペア:

[(1, 16989783), (3, 5663261), (17, 999399), (51, 333133), (131, 129693), (393, 43231), (2227, 7629), (2543, 6681)]