204985605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{2551}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 358668288

約数和(自身を除く): 153682683

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 487, 1461, 2435, 2551, 5357, 7305, 7653, 12755, 16071, 26785, 28061, 38265, 80355, 84183, 140305, 420915, 1242337, 3727011, 6211685, 13665707, 18635055, 40997121, 68328535, 204985605]

約数ペア:

[(1, 204985605), (3, 68328535), (5, 40997121), (11, 18635055), (15, 13665707), (33, 6211685), (55, 3727011), (165, 1242337), (487, 420915), (1461, 140305), (2435, 84183), (2551, 80355), (5357, 38265), (7305, 28061), (7653, 26785), (12755, 16071)]