200721789

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{8641}}^1$

素因数の和:8765

約数の個数: 24

約数和(自身を含む): 303334200

約数和(自身を除く): 102612411

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 801, 2581, 7743, 8641, 23229, 25923, 77769, 250589, 751767, 769049, 2255301, 2307147, 6921441, 22302421, 66907263, 200721789]

約数ペア:

[(1, 200721789), (3, 66907263), (9, 22302421), (29, 6921441), (87, 2307147), (89, 2255301), (261, 769049), (267, 751767), (801, 250589), (2581, 77769), (7743, 25923), (8641, 23229)]