28220103

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1567}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 16938297

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 1567, 2001, 4701, 6003, 14103, 18009, 36041, 42309, 45443, 108123, 136329, 324369, 408987, 973107, 1045189, 1226961, 3135567, 9406701, 28220103]

約数ペア:

[(1, 28220103), (3, 9406701), (9, 3135567), (23, 1226961), (27, 1045189), (29, 973107), (69, 408987), (87, 324369), (207, 136329), (261, 108123), (621, 45443), (667, 42309), (783, 36041), (1567, 18009), (2001, 14103), (4701, 6003)]