8137311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 13698048

約数和(自身を除く): 5560737

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 727, 861, 1599, 2181, 3731, 5089, 9451, 11193, 15267, 28353, 29807, 66157, 89421, 198471, 208649, 387491, 625947, 1162473, 2712437, 8137311]

約数ペア:

[(1, 8137311), (3, 2712437), (7, 1162473), (13, 625947), (21, 387491), (39, 208649), (41, 198471), (91, 89421), (123, 66157), (273, 29807), (287, 28353), (533, 15267), (727, 11193), (861, 9451), (1599, 5089), (2181, 3731)]