28351257

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 44198784

約数和(自身を除く): 15847527

約数列:

[1, 3, 11, 17, 33, 51, 97, 187, 291, 521, 561, 1067, 1563, 1649, 3201, 4947, 5731, 8857, 17193, 18139, 26571, 50537, 54417, 97427, 151611, 292281, 555907, 859129, 1667721, 2577387, 9450419, 28351257]

約数ペア:

[(1, 28351257), (3, 9450419), (11, 2577387), (17, 1667721), (33, 859129), (51, 555907), (97, 292281), (187, 151611), (291, 97427), (521, 54417), (561, 50537), (1067, 26571), (1563, 18139), (1649, 17193), (3201, 8857), (4947, 5731)]