16221951

素因数分解:

$3^5\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 24488464

約数和(自身を除く): 8266513

約数列:

[1, 3, 9, 27, 81, 241, 243, 277, 723, 831, 2169, 2493, 6507, 7479, 19521, 22437, 58563, 66757, 67311, 200271, 600813, 1802439, 5407317, 16221951]

約数ペア:

[(1, 16221951), (3, 5407317), (9, 1802439), (27, 600813), (81, 200271), (241, 67311), (243, 66757), (277, 58563), (723, 22437), (831, 19521), (2169, 7479), (2493, 6507)]