11871279

素因数分解:

$3^5\times 7^2\times {\mathrm{997}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 20706504

約数和(自身を除く): 8835225

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 997, 1323, 1701, 2991, 3969, 6979, 8973, 11907, 20937, 26919, 48853, 62811, 80757, 146559, 188433, 242271, 439677, 565299, 1319031, 1695897, 3957093, 11871279]

約数ペア:

[(1, 11871279), (3, 3957093), (7, 1695897), (9, 1319031), (21, 565299), (27, 439677), (49, 242271), (63, 188433), (81, 146559), (147, 80757), (189, 62811), (243, 48853), (441, 26919), (567, 20937), (997, 11907), (1323, 8973), (1701, 6979), (2991, 3969)]