2559015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 4848480

約数和(自身を除く): 2289465

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 73, 95, 123, 171, 205, 219, 285, 365, 369, 615, 657, 779, 855, 1095, 1387, 1845, 2337, 2993, 3285, 3895, 4161, 6935, 7011, 8979, 11685, 12483, 14965, 20805, 26937, 35055, 44895, 56867, 62415, 134685, 170601, 284335, 511803, 853005, 2559015]

約数ペア:

[(1, 2559015), (3, 853005), (5, 511803), (9, 284335), (15, 170601), (19, 134685), (41, 62415), (45, 56867), (57, 44895), (73, 35055), (95, 26937), (123, 20805), (171, 14965), (205, 12483), (219, 11685), (285, 8979), (365, 7011), (369, 6935), (615, 4161), (657, 3895), (779, 3285), (855, 2993), (1095, 2337), (1387, 1845)]