15920751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^3$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 27127296

約数和(自身を除く): 11206545

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 1681, 3157, 5043, 9471, 11767, 18491, 35301, 55473, 68921, 129437, 206763, 388311, 482447, 758131, 1447341, 2274393, 5306917, 15920751]

約数ペア:

[(1, 15920751), (3, 5306917), (7, 2274393), (11, 1447341), (21, 758131), (33, 482447), (41, 388311), (77, 206763), (123, 129437), (231, 68921), (287, 55473), (451, 35301), (861, 18491), (1353, 11767), (1681, 9471), (3157, 5043)]