1979820105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{20717}}^1$

素因数の和:21025

約数の個数: 32

約数和(自身を含む): 3317531904

約数和(自身を除く): 1337711799

約数列:

[1, 3, 5, 15, 23, 69, 115, 277, 345, 831, 1385, 4155, 6371, 19113, 20717, 31855, 62151, 95565, 103585, 310755, 476491, 1429473, 2382455, 5738609, 7147365, 17215827, 28693045, 86079135, 131988007, 395964021, 659940035, 1979820105]

約数ペア:

[(1, 1979820105), (3, 659940035), (5, 395964021), (15, 131988007), (23, 86079135), (69, 28693045), (115, 17215827), (277, 7147365), (345, 5738609), (831, 2382455), (1385, 1429473), (4155, 476491), (6371, 310755), (19113, 103585), (20717, 95565), (31855, 62151)]