2120115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 3674880

約数和(自身を除く): 1554765

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 173, 215, 285, 519, 645, 817, 865, 2451, 2595, 3287, 4085, 7439, 9861, 12255, 16435, 22317, 37195, 49305, 111585, 141341, 424023, 706705, 2120115]

約数ペア:

[(1, 2120115), (3, 706705), (5, 424023), (15, 141341), (19, 111585), (43, 49305), (57, 37195), (95, 22317), (129, 16435), (173, 12255), (215, 9861), (285, 7439), (519, 4085), (645, 3287), (817, 2595), (865, 2451)]