2916081

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 5149760

約数和(自身を除く): 2233679

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 139, 189, 259, 333, 417, 567, 777, 973, 999, 1251, 2331, 2919, 2997, 3753, 5143, 6993, 8757, 11259, 15429, 20979, 26271, 36001, 46287, 78813, 108003, 138861, 324009, 416583, 972027, 2916081]

約数ペア:

[(1, 2916081), (3, 972027), (7, 416583), (9, 324009), (21, 138861), (27, 108003), (37, 78813), (63, 46287), (81, 36001), (111, 26271), (139, 20979), (189, 15429), (259, 11259), (333, 8757), (417, 6993), (567, 5143), (777, 3753), (973, 2997), (999, 2919), (1251, 2331)]