13260405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28517}}^1$

素因数の和:28556

約数の個数: 16

約数和(自身を含む): 21901824

約数和(自身を除く): 8641419

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 28517, 85551, 142585, 427755, 884027, 2652081, 4420135, 13260405]

約数ペア:

[(1, 13260405), (3, 4420135), (5, 2652081), (15, 884027), (31, 427755), (93, 142585), (155, 85551), (465, 28517)]