205845219

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{87631}}^1$

素因数の和:87672

約数の個数: 20

約数和(自身を含む): 318104160

約数和(自身を除く): 112258941

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 87631, 262893, 788679, 2366037, 2541299, 7098111, 7623897, 22871691, 68615073, 205845219]

約数ペア:

[(1, 205845219), (3, 68615073), (9, 22871691), (27, 7623897), (29, 7098111), (81, 2541299), (87, 2366037), (261, 788679), (783, 262893), (2349, 87631)]