8159721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 12147840

約数和(自身を除く): 3988119

約数列:

[1, 3, 19, 37, 53, 57, 73, 111, 159, 219, 703, 1007, 1387, 1961, 2109, 2701, 3021, 3869, 4161, 5883, 8103, 11607, 37259, 51319, 73511, 111777, 143153, 153957, 220533, 429459, 2719907, 8159721]

約数ペア:

[(1, 8159721), (3, 2719907), (19, 429459), (37, 220533), (53, 153957), (57, 143153), (73, 111777), (111, 73511), (159, 51319), (219, 37259), (703, 11607), (1007, 8103), (1387, 5883), (1961, 4161), (2109, 3869), (2701, 3021)]