16197813

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:966

約数の個数: 20

約数和(自身を含む): 24312288

約数和(自身を除く): 8114475

約数列:

[1, 3, 9, 27, 81, 311, 643, 933, 1929, 2799, 5787, 8397, 17361, 25191, 52083, 199973, 599919, 1799757, 5399271, 16197813]

約数ペア:

[(1, 16197813), (3, 5399271), (9, 1799757), (27, 599919), (81, 199973), (311, 52083), (643, 25191), (933, 17361), (1929, 8397), (2799, 5787)]