28211205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4621}}^1$

素因数の和:4677

約数の個数: 32

約数和(自身を含む): 50583168

約数和(自身を除く): 22371963

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 4621, 6105, 13863, 23105, 50831, 69315, 152493, 170977, 254155, 512931, 762465, 854885, 1880747, 2564655, 5642241, 9403735, 28211205]

約数ペア:

[(1, 28211205), (3, 9403735), (5, 5642241), (11, 2564655), (15, 1880747), (33, 854885), (37, 762465), (55, 512931), (111, 254155), (165, 170977), (185, 152493), (407, 69315), (555, 50831), (1221, 23105), (2035, 13863), (4621, 6105)]