28509561

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 44587452

約数和(自身を除く): 16077891

約数列:

[1, 3, 9, 17, 51, 97, 113, 153, 289, 291, 339, 867, 873, 1017, 1649, 1921, 2601, 4947, 5763, 10961, 14841, 17289, 28033, 32657, 32883, 84099, 97971, 98649, 186337, 252297, 293913, 559011, 1677033, 3167729, 9503187, 28509561]

約数ペア:

[(1, 28509561), (3, 9503187), (9, 3167729), (17, 1677033), (51, 559011), (97, 293913), (113, 252297), (153, 186337), (289, 98649), (291, 97971), (339, 84099), (867, 32883), (873, 32657), (1017, 28033), (1649, 17289), (1921, 14841), (2601, 10961), (4947, 5763)]