28555815

素因数分解:

$3^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{1549}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 45756000

約数和(自身を除く): 17200185

約数列:

[1, 3, 5, 15, 1229, 1549, 3687, 4647, 6145, 7745, 18435, 23235, 1903721, 5711163, 9518605, 28555815]

約数ペア:

[(1, 28555815), (3, 9518605), (5, 5711163), (15, 1903721), (1229, 23235), (1549, 18435), (3687, 7745), (4647, 6145)]