2121208317

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{8779}}^1$

素因数の和:8967

約数の個数: 40

約数和(自身を含む): 3357120800

約数和(自身を除く): 1235912483

約数列:

[1, 3, 9, 19, 27, 57, 81, 157, 171, 471, 513, 1413, 1539, 2983, 4239, 8779, 8949, 12717, 26337, 26847, 79011, 80541, 166801, 237033, 241623, 500403, 711099, 1378303, 1501209, 4134909, 4503627, 12404727, 13510881, 26187757, 37214181, 78563271, 111642543, 235689813, 707069439, 2121208317]

約数ペア:

[(1, 2121208317), (3, 707069439), (9, 235689813), (19, 111642543), (27, 78563271), (57, 37214181), (81, 26187757), (157, 13510881), (171, 12404727), (471, 4503627), (513, 4134909), (1413, 1501209), (1539, 1378303), (2983, 711099), (4239, 500403), (8779, 241623), (8949, 237033), (12717, 166801), (26337, 80541), (26847, 79011)]