28690305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16073}}^1$

素因数の和:16105

約数の個数: 32

約数和(自身を含む): 55551744

約数和(自身を除く): 26861439

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 16073, 48219, 80365, 112511, 241095, 273241, 337533, 562555, 819723, 1366205, 1687665, 1912687, 4098615, 5738061, 9563435, 28690305]

約数ペア:

[(1, 28690305), (3, 9563435), (5, 5738061), (7, 4098615), (15, 1912687), (17, 1687665), (21, 1366205), (35, 819723), (51, 562555), (85, 337533), (105, 273241), (119, 241095), (255, 112511), (357, 80365), (595, 48219), (1785, 16073)]