28664535

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 47480832

約数和(自身を除く): 18816297

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 367, 381, 615, 635, 1101, 1835, 1905, 5207, 5505, 15047, 15621, 26035, 45141, 46609, 75235, 78105, 139827, 225705, 233045, 699135, 1910969, 5732907, 9554845, 28664535]

約数ペア:

[(1, 28664535), (3, 9554845), (5, 5732907), (15, 1910969), (41, 699135), (123, 233045), (127, 225705), (205, 139827), (367, 78105), (381, 75235), (615, 46609), (635, 45141), (1101, 26035), (1835, 15621), (1905, 15047), (5207, 5505)]