28095765

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 50429952

約数和(自身を除く): 22334187

約数列:

[1, 3, 5, 15, 23, 31, 37, 69, 71, 93, 111, 115, 155, 185, 213, 345, 355, 465, 555, 713, 851, 1065, 1147, 1633, 2139, 2201, 2553, 2627, 3441, 3565, 4255, 4899, 5735, 6603, 7881, 8165, 10695, 11005, 12765, 13135, 17205, 24495, 26381, 33015, 39405, 50623, 60421, 79143, 81437, 131905, 151869, 181263, 244311, 253115, 302105, 395715, 407185, 759345, 906315, 1221555, 1873051, 5619153, 9365255, 28095765]

約数ペア:

[(1, 28095765), (3, 9365255), (5, 5619153), (15, 1873051), (23, 1221555), (31, 906315), (37, 759345), (69, 407185), (71, 395715), (93, 302105), (111, 253115), (115, 244311), (155, 181263), (185, 151869), (213, 131905), (345, 81437), (355, 79143), (465, 60421), (555, 50623), (713, 39405), (851, 33015), (1065, 26381), (1147, 24495), (1633, 17205), (2139, 13135), (2201, 12765), (2553, 11005), (2627, 10695), (3441, 8165), (3565, 7881), (4255, 6603), (4899, 5735)]