20166813

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{2243}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 31039008

約数和(自身を除く): 10872195

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2243, 2997, 6729, 8991, 20187, 60561, 82991, 181683, 248973, 545049, 746919, 2240757, 6722271, 20166813]

約数ペア:

[(1, 20166813), (3, 6722271), (9, 2240757), (27, 746919), (37, 545049), (81, 248973), (111, 181683), (243, 82991), (333, 60561), (999, 20187), (2243, 8991), (2997, 6729)]