1261413

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 1965600

約数和(自身を除く): 704187

約数列:

[1, 3, 9, 27, 29, 81, 87, 179, 243, 261, 537, 783, 1611, 2349, 4833, 5191, 7047, 14499, 15573, 43497, 46719, 140157, 420471, 1261413]

約数ペア:

[(1, 1261413), (3, 420471), (9, 140157), (27, 46719), (29, 43497), (81, 15573), (87, 14499), (179, 7047), (243, 5191), (261, 4833), (537, 2349), (783, 1611)]