31656555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 65049600

約数和(自身を除く): 33393045

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 189, 241, 315, 417, 695, 723, 945, 973, 1205, 1251, 1687, 2085, 2169, 2919, 3615, 3753, 4865, 5061, 6255, 6507, 8435, 8757, 10845, 14595, 15183, 18765, 25305, 26271, 32535, 33499, 43785, 45549, 75915, 100497, 131355, 167495, 227745, 234493, 301491, 502485, 703479, 904473, 1172465, 1507455, 2110437, 3517395, 4522365, 6331311, 10552185, 31656555]

約数ペア:

[(1, 31656555), (3, 10552185), (5, 6331311), (7, 4522365), (9, 3517395), (15, 2110437), (21, 1507455), (27, 1172465), (35, 904473), (45, 703479), (63, 502485), (105, 301491), (135, 234493), (139, 227745), (189, 167495), (241, 131355), (315, 100497), (417, 75915), (695, 45549), (723, 43785), (945, 33499), (973, 32535), (1205, 26271), (1251, 25305), (1687, 18765), (2085, 15183), (2169, 14595), (2919, 10845), (3615, 8757), (3753, 8435), (4865, 6507), (5061, 6255)]