660445149

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 1149532160

約数和(自身を除く): 489087011

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 157, 247, 273, 399, 471, 741, 811, 1099, 1729, 2041, 2433, 2983, 3297, 5187, 5677, 6123, 8949, 10543, 14287, 15409, 17031, 20881, 31629, 38779, 42861, 46227, 62643, 73801, 107863, 116337, 127327, 200317, 221403, 271453, 323589, 381981, 600951, 814359, 891289, 1402219, 1655251, 2419213, 2673867, 4206657, 4965753, 7257639, 11586757, 16934491, 31449769, 34760271, 50803473, 94349307, 220148383, 660445149]

約数ペア:

[(1, 660445149), (3, 220148383), (7, 94349307), (13, 50803473), (19, 34760271), (21, 31449769), (39, 16934491), (57, 11586757), (91, 7257639), (133, 4965753), (157, 4206657), (247, 2673867), (273, 2419213), (399, 1655251), (471, 1402219), (741, 891289), (811, 814359), (1099, 600951), (1729, 381981), (2041, 323589), (2433, 271453), (2983, 221403), (3297, 200317), (5187, 127327), (5677, 116337), (6123, 107863), (8949, 73801), (10543, 62643), (14287, 46227), (15409, 42861), (17031, 38779), (20881, 31629)]