28503195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26239845

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 59, 105, 107, 129, 177, 215, 295, 301, 321, 413, 535, 645, 749, 885, 903, 1239, 1505, 1605, 2065, 2247, 2537, 3745, 4515, 4601, 6195, 6313, 7611, 11235, 12685, 13803, 17759, 18939, 23005, 31565, 32207, 38055, 44191, 53277, 69015, 88795, 94695, 96621, 132573, 161035, 220955, 266385, 271459, 483105, 662865, 814377, 1357295, 1900213, 4071885, 5700639, 9501065, 28503195]

約数ペア:

[(1, 28503195), (3, 9501065), (5, 5700639), (7, 4071885), (15, 1900213), (21, 1357295), (35, 814377), (43, 662865), (59, 483105), (105, 271459), (107, 266385), (129, 220955), (177, 161035), (215, 132573), (295, 96621), (301, 94695), (321, 88795), (413, 69015), (535, 53277), (645, 44191), (749, 38055), (885, 32207), (903, 31565), (1239, 23005), (1505, 18939), (1605, 17759), (2065, 13803), (2247, 12685), (2537, 11235), (3745, 7611), (4515, 6313), (4601, 6195)]