721108413

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{70099}}^1$

素因数の和:70238

約数の個数: 20

約数和(自身を含む): 1085708800

約数和(自身を除く): 364600387

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 70099, 210297, 630891, 1892673, 5678019, 8902573, 26707719, 80123157, 240369471, 721108413]

約数ペア:

[(1, 721108413), (3, 240369471), (9, 80123157), (27, 26707719), (81, 8902573), (127, 5678019), (381, 1892673), (1143, 630891), (3429, 210297), (10287, 70099)]