15927681

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 28090368

約数和(自身を除く): 12162687

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 191, 209, 231, 361, 399, 573, 627, 1083, 1337, 1463, 2101, 2527, 3629, 3971, 4011, 4389, 6303, 7581, 10887, 11913, 14707, 25403, 27797, 39919, 44121, 68951, 76209, 83391, 119757, 206853, 279433, 482657, 758461, 838299, 1447971, 2275383, 5309227, 15927681]

約数ペア:

[(1, 15927681), (3, 5309227), (7, 2275383), (11, 1447971), (19, 838299), (21, 758461), (33, 482657), (57, 279433), (77, 206853), (133, 119757), (191, 83391), (209, 76209), (231, 68951), (361, 44121), (399, 39919), (573, 27797), (627, 25403), (1083, 14707), (1337, 11913), (1463, 10887), (2101, 7581), (2527, 6303), (3629, 4389), (3971, 4011)]