81386565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24551}}^1$

素因数の和:24589

約数の個数: 32

約数和(自身を含む): 148490496

約数和(自身を除く): 67103931

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 24551, 73653, 122755, 319163, 368265, 417367, 957489, 1252101, 1595815, 2086835, 4787445, 5425771, 6260505, 16277313, 27128855, 81386565]

約数ペア:

[(1, 81386565), (3, 27128855), (5, 16277313), (13, 6260505), (15, 5425771), (17, 4787445), (39, 2086835), (51, 1595815), (65, 1252101), (85, 957489), (195, 417367), (221, 368265), (255, 319163), (663, 122755), (1105, 73653), (3315, 24551)]