13211751

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8861}}^1$

素因数の和:8942

約数の個数: 16

約数和(自身を含む): 20418048

約数和(自身を除く): 7206297

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 8861, 26583, 62027, 186081, 629131, 1887393, 4403917, 13211751]

約数ペア:

[(1, 13211751), (3, 4403917), (7, 1887393), (21, 629131), (71, 186081), (213, 62027), (497, 26583), (1491, 8861)]