28231695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27277}}^1$

素因数の和:27311

約数の個数: 24

約数和(自身を含む): 51064416

約数和(自身を除く): 22832721

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27277, 81831, 136385, 245493, 409155, 627371, 1227465, 1882113, 3136855, 5646339, 9410565, 28231695]

約数ペア:

[(1, 28231695), (3, 9410565), (5, 5646339), (9, 3136855), (15, 1882113), (23, 1227465), (45, 627371), (69, 409155), (115, 245493), (207, 136385), (345, 81831), (1035, 27277)]