28335987

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{4021}}^1$

素因数の和:4065

約数の個数: 24

約数和(自身を含む): 43920240

約数和(自身を除く): 15584253

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 4021, 7047, 12063, 36189, 108567, 116609, 325701, 349827, 977103, 1049481, 3148443, 9445329, 28335987]

約数ペア:

[(1, 28335987), (3, 9445329), (9, 3148443), (27, 1049481), (29, 977103), (81, 349827), (87, 325701), (243, 116609), (261, 108567), (783, 36189), (2349, 12063), (4021, 7047)]