280197603

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11317}}^1$

素因数の和:11464

約数の個数: 32

約数和(自身を含む): 478072320

約数和(自身を除く): 197874717

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 11317, 24759, 33951, 79219, 101853, 237657, 305559, 712971, 1482527, 2138913, 4447581, 10377689, 13342743, 31133067, 40028229, 93399201, 280197603]

約数ペア:

[(1, 280197603), (3, 93399201), (7, 40028229), (9, 31133067), (21, 13342743), (27, 10377689), (63, 4447581), (131, 2138913), (189, 1482527), (393, 712971), (917, 305559), (1179, 237657), (2751, 101853), (3537, 79219), (8253, 33951), (11317, 24759)]