5218749

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3422

約数の個数: 20

約数和(自身を含む): 8208640

約数和(自身を除く): 2989891

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 3391, 10173, 30519, 64429, 91557, 193287, 274671, 579861, 1739583, 5218749]

約数ペア:

[(1, 5218749), (3, 1739583), (9, 579861), (19, 274671), (27, 193287), (57, 91557), (81, 64429), (171, 30519), (513, 10173), (1539, 3391)]