2720164377

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1\times {\mathrm{977}}^1$

素因数の和:1857

約数の個数: 32

約数和(自身を含む): 4176513792

約数和(自身を除く): 1456349415

約数列:

[1, 3, 7, 21, 197, 591, 673, 977, 1379, 2019, 2931, 4137, 4711, 6839, 14133, 20517, 132581, 192469, 397743, 577407, 657521, 928067, 1347283, 1972563, 2784201, 4041849, 4602647, 13807941, 129531637, 388594911, 906721459, 2720164377]

約数ペア:

[(1, 2720164377), (3, 906721459), (7, 388594911), (21, 129531637), (197, 13807941), (591, 4602647), (673, 4041849), (977, 2784201), (1379, 1972563), (2019, 1347283), (2931, 928067), (4137, 657521), (4711, 577407), (6839, 397743), (14133, 192469), (20517, 132581)]