28321305

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2311}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 48829440

約数和(自身を除く): 20508135

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2311, 2451, 4085, 6933, 11555, 12255, 34665, 43909, 99373, 131727, 219545, 298119, 496865, 658635, 1490595, 1888087, 5664261, 9440435, 28321305]

約数ペア:

[(1, 28321305), (3, 9440435), (5, 5664261), (15, 1888087), (19, 1490595), (43, 658635), (57, 496865), (95, 298119), (129, 219545), (215, 131727), (285, 99373), (645, 43909), (817, 34665), (2311, 12255), (2451, 11555), (4085, 6933)]