78539787

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{17011}}^1$

素因数の和:17045

約数の個数: 24

約数和(自身を含む): 123847360

約数和(自身を除く): 45307573

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 17011, 51033, 153099, 323209, 459297, 969627, 1377891, 2908881, 4133673, 8726643, 26179929, 78539787]

約数ペア:

[(1, 78539787), (3, 26179929), (9, 8726643), (19, 4133673), (27, 2908881), (57, 1377891), (81, 969627), (171, 459297), (243, 323209), (513, 153099), (1539, 51033), (4617, 17011)]