207974871

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{197507}}^1$

素因数の和:197532

約数の個数: 20

約数和(自身を含む): 334578552

約数和(自身を除く): 126603681

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 197507, 592521, 1777563, 2567591, 5332689, 7702773, 15998067, 23108319, 69324957, 207974871]

約数ペア:

[(1, 207974871), (3, 69324957), (9, 23108319), (13, 15998067), (27, 7702773), (39, 5332689), (81, 2567591), (117, 1777563), (351, 592521), (1053, 197507)]