86991387

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1721}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 138862080

約数和(自身を除く): 51870693

約数列:

[1, 3, 7, 21, 29, 83, 87, 203, 249, 581, 609, 1721, 1743, 2407, 5163, 7221, 12047, 16849, 36141, 49909, 50547, 142843, 149727, 349363, 428529, 999901, 1048089, 2999703, 4142447, 12427341, 28997129, 86991387]

約数ペア:

[(1, 86991387), (3, 28997129), (7, 12427341), (21, 4142447), (29, 2999703), (83, 1048089), (87, 999901), (203, 428529), (249, 349363), (581, 149727), (609, 142843), (1721, 50547), (1743, 49909), (2407, 36141), (5163, 16849), (7221, 12047)]