28673757

素因数分解:

$3^7\times 7^1\times {\mathrm{1873}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 49173760

約数和(自身を除く): 20500003

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1873, 2187, 5103, 5619, 13111, 15309, 16857, 39333, 50571, 117999, 151713, 353997, 455139, 1061991, 1365417, 3185973, 4096251, 9557919, 28673757]

約数ペア:

[(1, 28673757), (3, 9557919), (7, 4096251), (9, 3185973), (21, 1365417), (27, 1061991), (63, 455139), (81, 353997), (189, 151713), (243, 117999), (567, 50571), (729, 39333), (1701, 16857), (1873, 15309), (2187, 13111), (5103, 5619)]