12789147

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 21022056

約数和(自身を除く): 8232909

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 241, 361, 399, 723, 931, 1083, 1687, 2527, 2793, 4579, 5061, 7581, 11809, 13737, 17689, 32053, 35427, 53067, 87001, 96159, 224371, 261003, 609007, 673113, 1827021, 4263049, 12789147]

約数ペア:

[(1, 12789147), (3, 4263049), (7, 1827021), (19, 673113), (21, 609007), (49, 261003), (57, 224371), (133, 96159), (147, 87001), (241, 53067), (361, 35427), (399, 32053), (723, 17689), (931, 13737), (1083, 11809), (1687, 7581), (2527, 5061), (2793, 4579)]