28742145

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 47831040

約数和(自身を除く): 19088895

約数列:

[1, 3, 5, 15, 47, 59, 141, 177, 235, 295, 691, 705, 885, 2073, 2773, 3455, 8319, 10365, 13865, 32477, 40769, 41595, 97431, 122307, 162385, 203845, 487155, 611535, 1916143, 5748429, 9580715, 28742145]

約数ペア:

[(1, 28742145), (3, 9580715), (5, 5748429), (15, 1916143), (47, 611535), (59, 487155), (141, 203845), (177, 162385), (235, 122307), (295, 97431), (691, 41595), (705, 40769), (885, 32477), (2073, 13865), (2773, 10365), (3455, 8319)]