3946509

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 7204800

約数和(自身を除く): 3258291

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 157, 171, 189, 399, 441, 471, 513, 931, 1099, 1197, 1323, 1413, 2793, 2983, 3297, 3591, 4239, 7693, 8379, 8949, 9891, 20881, 23079, 25137, 26847, 29673, 62643, 69237, 80541, 146167, 187929, 207711, 438501, 563787, 1315503, 3946509]

約数ペア:

[(1, 3946509), (3, 1315503), (7, 563787), (9, 438501), (19, 207711), (21, 187929), (27, 146167), (49, 80541), (57, 69237), (63, 62643), (133, 29673), (147, 26847), (157, 25137), (171, 23079), (189, 20881), (399, 9891), (441, 8949), (471, 8379), (513, 7693), (931, 4239), (1099, 3591), (1197, 3297), (1323, 2983), (1413, 2793)]