13143431

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 16356960

約数和(自身を除く): 3213529

約数列:

[1, 7, 17, 73, 89, 119, 289, 511, 623, 1241, 1513, 2023, 6497, 8687, 10591, 21097, 25721, 45479, 110449, 147679, 180047, 773143, 1877633, 13143431]

約数ペア:

[(1, 13143431), (7, 1877633), (17, 773143), (73, 180047), (89, 147679), (119, 110449), (289, 45479), (511, 25721), (623, 21097), (1241, 10591), (1513, 8687), (2023, 6497)]