28763397

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 48646080

約数和(自身を除く): 19882683

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 227, 247, 351, 361, 513, 681, 741, 1083, 2043, 2223, 2951, 3249, 4313, 4693, 6129, 6669, 8853, 9747, 12939, 14079, 26559, 38817, 42237, 56069, 79677, 81947, 116451, 126711, 168207, 245841, 504621, 737523, 1065311, 1513863, 2212569, 3195933, 9587799, 28763397]

約数ペア:

[(1, 28763397), (3, 9587799), (9, 3195933), (13, 2212569), (19, 1513863), (27, 1065311), (39, 737523), (57, 504621), (117, 245841), (171, 168207), (227, 126711), (247, 116451), (351, 81947), (361, 79677), (513, 56069), (681, 42237), (741, 38817), (1083, 26559), (2043, 14079), (2223, 12939), (2951, 9747), (3249, 8853), (4313, 6669), (4693, 6129)]