28365165

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 51150528

約数和(自身を除く): 22785363

約数列:

[1, 3, 5, 9, 15, 43, 45, 107, 129, 137, 215, 321, 387, 411, 535, 645, 685, 963, 1233, 1605, 1935, 2055, 4601, 4815, 5891, 6165, 13803, 14659, 17673, 23005, 29455, 41409, 43977, 53019, 69015, 73295, 88365, 131931, 207045, 219885, 265095, 630337, 659655, 1891011, 3151685, 5673033, 9455055, 28365165]

約数ペア:

[(1, 28365165), (3, 9455055), (5, 5673033), (9, 3151685), (15, 1891011), (43, 659655), (45, 630337), (107, 265095), (129, 219885), (137, 207045), (215, 131931), (321, 88365), (387, 73295), (411, 69015), (535, 53019), (645, 43977), (685, 41409), (963, 29455), (1233, 23005), (1605, 17673), (1935, 14659), (2055, 13803), (4601, 6165), (4815, 5891)]