210809997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{11969}}^1$

素因数の和:12097

約数の個数: 24

約数和(自身を含む): 323668800

約数和(自身を除く): 112858803

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1957, 5871, 11969, 17613, 35907, 107721, 227411, 682233, 1232807, 2046699, 3698421, 11095263, 23423333, 70269999, 210809997]

約数ペア:

[(1, 210809997), (3, 70269999), (9, 23423333), (19, 11095263), (57, 3698421), (103, 2046699), (171, 1232807), (309, 682233), (927, 227411), (1957, 107721), (5871, 35907), (11969, 17613)]