128260971

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{1489}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 196644240

約数和(自身を除く): 68383269

約数列:

[1, 3, 9, 17, 51, 153, 563, 1489, 1689, 4467, 5067, 9571, 13401, 25313, 28713, 75939, 86139, 227817, 838307, 2514921, 7544763, 14251219, 42753657, 128260971]

約数ペア:

[(1, 128260971), (3, 42753657), (9, 14251219), (17, 7544763), (51, 2514921), (153, 838307), (563, 227817), (1489, 86139), (1689, 75939), (4467, 28713), (5067, 25313), (9571, 13401)]