27768105

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 49870080

約数和(自身を除く): 22101975

約数列:

[1, 3, 5, 9, 15, 45, 73, 79, 107, 219, 237, 321, 365, 395, 535, 657, 711, 963, 1095, 1185, 1605, 3285, 3555, 4815, 5767, 7811, 8453, 17301, 23433, 25359, 28835, 39055, 42265, 51903, 70299, 76077, 86505, 117165, 126795, 259515, 351495, 380385, 617069, 1851207, 3085345, 5553621, 9256035, 27768105]

約数ペア:

[(1, 27768105), (3, 9256035), (5, 5553621), (9, 3085345), (15, 1851207), (45, 617069), (73, 380385), (79, 351495), (107, 259515), (219, 126795), (237, 117165), (321, 86505), (365, 76077), (395, 70299), (535, 51903), (657, 42265), (711, 39055), (963, 28835), (1095, 25359), (1185, 23433), (1605, 17301), (3285, 8453), (3555, 7811), (4815, 5767)]