128901315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8689}}^1$

素因数の和:8763

約数の個数: 32

約数和(自身を含む): 220239360

約数和(自身を除く): 91338045

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4945, 8689, 14835, 26067, 43445, 130335, 199847, 373627, 599541, 999235, 1120881, 1868135, 2997705, 5604405, 8593421, 25780263, 42967105, 128901315]

約数ペア:

[(1, 128901315), (3, 42967105), (5, 25780263), (15, 8593421), (23, 5604405), (43, 2997705), (69, 1868135), (115, 1120881), (129, 999235), (215, 599541), (345, 373627), (645, 199847), (989, 130335), (2967, 43445), (4945, 26067), (8689, 14835)]