16390863

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 9529137

約数列:

[1, 3, 9, 19, 27, 57, 89, 171, 267, 359, 513, 801, 1077, 1691, 2403, 3231, 5073, 6821, 9693, 15219, 20463, 31951, 45657, 61389, 95853, 184167, 287559, 607069, 862677, 1821207, 5463621, 16390863]

約数ペア:

[(1, 16390863), (3, 5463621), (9, 1821207), (19, 862677), (27, 607069), (57, 287559), (89, 184167), (171, 95853), (267, 61389), (359, 45657), (513, 31951), (801, 20463), (1077, 15219), (1691, 9693), (2403, 6821), (3231, 5073)]