28922103

素因数分解:

$3^5\times 7^3\times {\mathrm{347}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 50668800

約数和(自身を除く): 21746697

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 343, 347, 441, 567, 1029, 1041, 1323, 1701, 2429, 3087, 3123, 3969, 7287, 9261, 9369, 11907, 17003, 21861, 27783, 28107, 51009, 65583, 83349, 84321, 119021, 153027, 196749, 357063, 459081, 590247, 1071189, 1377243, 3213567, 4131729, 9640701, 28922103]

約数ペア:

[(1, 28922103), (3, 9640701), (7, 4131729), (9, 3213567), (21, 1377243), (27, 1071189), (49, 590247), (63, 459081), (81, 357063), (147, 196749), (189, 153027), (243, 119021), (343, 84321), (347, 83349), (441, 65583), (567, 51009), (1029, 28107), (1041, 27783), (1323, 21861), (1701, 17003), (2429, 11907), (3087, 9369), (3123, 9261), (3969, 7287)]