28390527

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5623}}^1$

素因数の和:5660

約数の個数: 32

約数和(自身を含む): 48591360

約数和(自身を除く): 20200833

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 99, 153, 187, 297, 459, 561, 1683, 5049, 5623, 16869, 50607, 61853, 95591, 151821, 185559, 286773, 556677, 860319, 1051501, 1670031, 2580957, 3154503, 9463509, 28390527]

約数ペア:

[(1, 28390527), (3, 9463509), (9, 3154503), (11, 2580957), (17, 1670031), (27, 1051501), (33, 860319), (51, 556677), (99, 286773), (153, 185559), (187, 151821), (297, 95591), (459, 61853), (561, 50607), (1683, 16869), (5049, 5623)]