7190721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 11404800

約数和(自身を除く): 4214079

約数列:

[1, 3, 9, 19, 27, 57, 107, 131, 171, 321, 393, 513, 963, 1179, 2033, 2489, 2889, 3537, 6099, 7467, 14017, 18297, 22401, 42051, 54891, 67203, 126153, 266323, 378459, 798969, 2396907, 7190721]

約数ペア:

[(1, 7190721), (3, 2396907), (9, 798969), (19, 378459), (27, 266323), (57, 126153), (107, 67203), (131, 54891), (171, 42051), (321, 22401), (393, 18297), (513, 14017), (963, 7467), (1179, 6099), (2033, 3537), (2489, 2889)]