2509311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 4047744

約数和(自身を除く): 1538433

約数列:

[1, 3, 7, 19, 21, 57, 133, 331, 361, 399, 993, 1083, 2317, 2527, 6289, 6951, 7581, 18867, 44023, 119491, 132069, 358473, 836437, 2509311]

約数ペア:

[(1, 2509311), (3, 836437), (7, 358473), (19, 132069), (21, 119491), (57, 44023), (133, 18867), (331, 7581), (361, 6951), (399, 6289), (993, 2527), (1083, 2317)]