28878315

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 48288576

約数和(自身を除く): 19410261

約数列:

[1, 3, 5, 15, 37, 61, 111, 183, 185, 305, 555, 853, 915, 2257, 2559, 4265, 6771, 11285, 12795, 31561, 33855, 52033, 94683, 156099, 157805, 260165, 473415, 780495, 1925221, 5775663, 9626105, 28878315]

約数ペア:

[(1, 28878315), (3, 9626105), (5, 5775663), (15, 1925221), (37, 780495), (61, 473415), (111, 260165), (183, 157805), (185, 156099), (305, 94683), (555, 52033), (853, 33855), (915, 31561), (2257, 12795), (2559, 11285), (4265, 6771)]