1720342017

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 2725378560

約数和(自身を除く): 1005036543

約数列:

[1, 3, 9, 23, 27, 69, 73, 137, 207, 219, 277, 411, 621, 657, 831, 1233, 1679, 1971, 2493, 3151, 3699, 5037, 6371, 7479, 9453, 10001, 15111, 19113, 20221, 28359, 30003, 37949, 45333, 57339, 60663, 85077, 90009, 113847, 172017, 181989, 230023, 270027, 341541, 465083, 545967, 690069, 872827, 1024623, 1395249, 2070207, 2618481, 2770277, 4185747, 6210621, 7855443, 8310831, 12557241, 23566329, 24932493, 63716371, 74797479, 191149113, 573447339, 1720342017]

約数ペア:

[(1, 1720342017), (3, 573447339), (9, 191149113), (23, 74797479), (27, 63716371), (69, 24932493), (73, 23566329), (137, 12557241), (207, 8310831), (219, 7855443), (277, 6210621), (411, 4185747), (621, 2770277), (657, 2618481), (831, 2070207), (1233, 1395249), (1679, 1024623), (1971, 872827), (2493, 690069), (3151, 545967), (3699, 465083), (5037, 341541), (6371, 270027), (7479, 230023), (9453, 181989), (10001, 172017), (15111, 113847), (19113, 90009), (20221, 85077), (28359, 60663), (30003, 57339), (37949, 45333)]