726008913

素因数分解:

$3^6\times 7^1\times {\mathrm{142271}}^1$

素因数の和:142296

約数の個数: 28

約数和(自身を含む): 1244026368

約数和(自身を除く): 518017455

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 142271, 426813, 995897, 1280439, 2987691, 3841317, 8963073, 11523951, 26889219, 34571853, 80667657, 103715559, 242002971, 726008913]

約数ペア:

[(1, 726008913), (3, 242002971), (7, 103715559), (9, 80667657), (21, 34571853), (27, 26889219), (63, 11523951), (81, 8963073), (189, 3841317), (243, 2987691), (567, 1280439), (729, 995897), (1701, 426813), (5103, 142271)]