980991

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 1607424

約数和(自身を除く): 626433

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 367, 891, 1101, 2673, 3303, 4037, 9909, 12111, 29727, 36333, 89181, 108999, 326997, 980991]

約数ペア:

[(1, 980991), (3, 326997), (9, 108999), (11, 89181), (27, 36333), (33, 29727), (81, 12111), (99, 9909), (243, 4037), (297, 3303), (367, 2673), (891, 1101)]