816664035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2100

約数の個数: 64

約数和(自身を含む): 1484904960

約数和(自身を除く): 668240925

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 61, 123, 165, 183, 205, 305, 451, 615, 671, 915, 1353, 1979, 2013, 2255, 2501, 3355, 5937, 6765, 7503, 9895, 10065, 12505, 21769, 27511, 29685, 37515, 65307, 81139, 82533, 108845, 120719, 137555, 243417, 326535, 362157, 405695, 412665, 603595, 892529, 1217085, 1327909, 1810785, 2677587, 3983727, 4462645, 4949479, 6639545, 13387935, 14848437, 19918635, 24747395, 54444269, 74242185, 163332807, 272221345, 816664035]

約数ペア:

[(1, 816664035), (3, 272221345), (5, 163332807), (11, 74242185), (15, 54444269), (33, 24747395), (41, 19918635), (55, 14848437), (61, 13387935), (123, 6639545), (165, 4949479), (183, 4462645), (205, 3983727), (305, 2677587), (451, 1810785), (615, 1327909), (671, 1217085), (915, 892529), (1353, 603595), (1979, 412665), (2013, 405695), (2255, 362157), (2501, 326535), (3355, 243417), (5937, 137555), (6765, 120719), (7503, 108845), (9895, 82533), (10065, 81139), (12505, 65307), (21769, 37515), (27511, 29685)]