205657641

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{5717}}^1$

素因数の和:6301

約数の個数: 24

約数和(自身を含む): 340152384

約数和(自身を除く): 134494743

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 3997, 5139, 5717, 11991, 17151, 35973, 40019, 51453, 120057, 360171, 3264407, 9793221, 22850849, 29379663, 68552547, 205657641]

約数ペア:

[(1, 205657641), (3, 68552547), (7, 29379663), (9, 22850849), (21, 9793221), (63, 3264407), (571, 360171), (1713, 120057), (3997, 51453), (5139, 40019), (5717, 35973), (11991, 17151)]