28517115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 50015232

約数和(自身を除く): 21498117

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 401, 431, 1203, 1293, 2005, 2155, 4411, 4741, 6015, 6465, 13233, 14223, 22055, 23705, 66165, 71115, 172831, 518493, 864155, 1901141, 2592465, 5703423, 9505705, 28517115]

約数ペア:

[(1, 28517115), (3, 9505705), (5, 5703423), (11, 2592465), (15, 1901141), (33, 864155), (55, 518493), (165, 172831), (401, 71115), (431, 66165), (1203, 23705), (1293, 22055), (2005, 14223), (2155, 13233), (4411, 6465), (4741, 6015)]