1251293121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{289049}}^1$

素因数の和:289105

約数の個数: 24

約数和(自身を含む): 1999069800

約数和(自身を除く): 747776679

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 289049, 867147, 2601441, 3757637, 10694813, 11272911, 32084439, 33818733, 96253317, 139032569, 417097707, 1251293121]

約数ペア:

[(1, 1251293121), (3, 417097707), (9, 139032569), (13, 96253317), (37, 33818733), (39, 32084439), (111, 11272911), (117, 10694813), (333, 3757637), (481, 2601441), (1443, 867147), (4329, 289049)]