666685005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2687}}^1$

素因数の和:2858

約数の個数: 64

約数和(自身を含む): 1300561920

約数和(自身を除く): 633876915

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 139, 255, 357, 417, 595, 695, 973, 1785, 2085, 2363, 2687, 2919, 4865, 7089, 8061, 11815, 13435, 14595, 16541, 18809, 35445, 40305, 45679, 49623, 56427, 82705, 94045, 137037, 228395, 248115, 282135, 319753, 373493, 685185, 959259, 1120479, 1598765, 1867465, 2614451, 4796295, 5602395, 6349381, 7843353, 13072255, 19048143, 31746905, 39216765, 44445667, 95240715, 133337001, 222228335, 666685005]

約数ペア:

[(1, 666685005), (3, 222228335), (5, 133337001), (7, 95240715), (15, 44445667), (17, 39216765), (21, 31746905), (35, 19048143), (51, 13072255), (85, 7843353), (105, 6349381), (119, 5602395), (139, 4796295), (255, 2614451), (357, 1867465), (417, 1598765), (595, 1120479), (695, 959259), (973, 685185), (1785, 373493), (2085, 319753), (2363, 282135), (2687, 248115), (2919, 228395), (4865, 137037), (7089, 94045), (8061, 82705), (11815, 56427), (13435, 49623), (14595, 45679), (16541, 40305), (18809, 35445)]