128691009

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{25951}}^1$

素因数の和:26005

約数の個数: 24

約数和(自身を含む): 202425600

約数和(自身を除く): 73734591

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 25951, 77853, 233559, 493069, 752579, 1479207, 2257737, 4437621, 6773211, 14299001, 42897003, 128691009]

約数ペア:

[(1, 128691009), (3, 42897003), (9, 14299001), (19, 6773211), (29, 4437621), (57, 2257737), (87, 1479207), (171, 752579), (261, 493069), (551, 233559), (1653, 77853), (4959, 25951)]