12708993

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 18828544

約数和(自身を除く): 6119551

約数列:

[1, 3, 11, 33, 121, 157, 223, 363, 471, 669, 1727, 2453, 5181, 7359, 18997, 26983, 35011, 56991, 80949, 105033, 385121, 1155363, 4236331, 12708993]

約数ペア:

[(1, 12708993), (3, 4236331), (11, 1155363), (33, 385121), (121, 105033), (157, 80949), (223, 56991), (363, 35011), (471, 26983), (669, 18997), (1727, 7359), (2453, 5181)]