1688891499

素因数分解:

$3^3\times {\mathrm{449}}^1\times {\mathrm{139313}}^1$

素因数の和:139771

約数の個数: 16

約数和(自身を含む): 2507652000

約数和(自身を除く): 818760501

約数列:

[1, 3, 9, 27, 449, 1347, 4041, 12123, 139313, 417939, 1253817, 3761451, 62551537, 187654611, 562963833, 1688891499]

約数ペア:

[(1, 1688891499), (3, 562963833), (9, 187654611), (27, 62551537), (449, 3761451), (1347, 1253817), (4041, 417939), (12123, 139313)]