81205345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{5653}}^1$

素因数の和:5701

約数の個数: 24

約数和(自身を含む): 111745656

約数和(自身を除く): 30540311

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 5653, 14365, 28265, 73489, 96101, 367445, 480505, 955357, 1249313, 4776785, 6246565, 16241069, 81205345]

約数ペア:

[(1, 81205345), (5, 16241069), (13, 6246565), (17, 4776785), (65, 1249313), (85, 955357), (169, 480505), (221, 367445), (845, 96101), (1105, 73489), (2873, 28265), (5653, 14365)]