1260009

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2061

約数の個数: 16

約数和(自身を含む): 1948800

約数和(自身を除く): 688791

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 2029, 6087, 18261, 46667, 54783, 140001, 420003, 1260009]

約数ペア:

[(1, 1260009), (3, 420003), (9, 140001), (23, 54783), (27, 46667), (69, 18261), (207, 6087), (621, 2029)]