291279549

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{18661}}^1$

素因数の和:18729

約数の個数: 24

約数和(自身を含む): 436840096

約数和(自身を除く): 145560547

約数列:

[1, 3, 11, 33, 43, 121, 129, 363, 473, 1419, 5203, 15609, 18661, 55983, 205271, 615813, 802423, 2257981, 2407269, 6773943, 8826653, 26479959, 97093183, 291279549]

約数ペア:

[(1, 291279549), (3, 97093183), (11, 26479959), (33, 8826653), (43, 6773943), (121, 2407269), (129, 2257981), (363, 802423), (473, 615813), (1419, 205271), (5203, 55983), (15609, 18661)]