2709009

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{569}}^1$

素因数の和:621

約数の個数: 18

約数和(自身を含む): 4097730

約数和(自身を除く): 1388721

約数列:

[1, 3, 9, 23, 69, 207, 529, 569, 1587, 1707, 4761, 5121, 13087, 39261, 117783, 301001, 903003, 2709009]

約数ペア:

[(1, 2709009), (3, 903003), (9, 301001), (23, 117783), (69, 39261), (207, 13087), (529, 5121), (569, 4761), (1587, 1707)]