720522081

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{40009}}^1$

素因数の和:40070

約数の個数: 32

約数和(自身を含む): 1152288000

約数和(自身を除く): 431765919

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 18009, 40009, 120027, 360081, 920207, 1080243, 1160261, 2760621, 3480783, 8281863, 10442349, 24845589, 26686003, 31327047, 80058009, 240174027, 720522081]

約数ペア:

[(1, 720522081), (3, 240174027), (9, 80058009), (23, 31327047), (27, 26686003), (29, 24845589), (69, 10442349), (87, 8281863), (207, 3480783), (261, 2760621), (621, 1160261), (667, 1080243), (783, 920207), (2001, 360081), (6003, 120027), (18009, 40009)]