28417581

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{683}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 16233939

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 603, 621, 683, 1541, 1809, 2049, 4623, 6147, 13869, 15709, 18441, 41607, 45761, 47127, 137283, 141381, 411849, 424143, 1052503, 1235547, 3157509, 9472527, 28417581]

約数ペア:

[(1, 28417581), (3, 9472527), (9, 3157509), (23, 1235547), (27, 1052503), (67, 424143), (69, 411849), (201, 141381), (207, 137283), (603, 47127), (621, 45761), (683, 41607), (1541, 18441), (1809, 15709), (2049, 13869), (4623, 6147)]