28611915

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 48562176

約数和(自身を除く): 19950261

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1663, 3441, 4989, 5735, 8315, 17205, 24945, 51553, 61531, 154659, 184593, 257765, 307655, 773295, 922965, 1907461, 5722383, 9537305, 28611915]

約数ペア:

[(1, 28611915), (3, 9537305), (5, 5722383), (15, 1907461), (31, 922965), (37, 773295), (93, 307655), (111, 257765), (155, 184593), (185, 154659), (465, 61531), (555, 51553), (1147, 24945), (1663, 17205), (3441, 8315), (4989, 5735)]