51983289

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 83026944

約数和(自身を除く): 31043655

約数列:

[1, 3, 9, 23, 27, 69, 71, 81, 131, 207, 213, 243, 393, 621, 639, 1179, 1633, 1863, 1917, 3013, 3537, 4899, 5589, 5751, 9039, 9301, 10611, 14697, 17253, 27117, 27903, 31833, 44091, 81351, 83709, 132273, 213923, 244053, 251127, 396819, 641769, 732159, 753381, 1925307, 2260143, 5775921, 17327763, 51983289]

約数ペア:

[(1, 51983289), (3, 17327763), (9, 5775921), (23, 2260143), (27, 1925307), (69, 753381), (71, 732159), (81, 641769), (131, 396819), (207, 251127), (213, 244053), (243, 213923), (393, 132273), (621, 83709), (639, 81351), (1179, 44091), (1633, 31833), (1863, 27903), (1917, 27117), (3013, 17253), (3537, 14697), (4899, 10611), (5589, 9301), (5751, 9039)]