209722761

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{2693}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 321501960

約数和(自身を除く): 111779199

約数列:

[1, 3, 9, 17, 51, 153, 509, 1527, 2693, 4581, 8079, 8653, 24237, 25959, 45781, 77877, 137343, 412029, 1370737, 4112211, 12336633, 23302529, 69907587, 209722761]

約数ペア:

[(1, 209722761), (3, 69907587), (9, 23302529), (17, 12336633), (51, 4112211), (153, 1370737), (509, 412029), (1527, 137343), (2693, 77877), (4581, 45781), (8079, 25959), (8653, 24237)]