28020645

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4903}}^1$

素因数の和:5041

約数の個数: 24

約数和(自身を含む): 48961536

約数和(自身を除く): 20940891

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 4903, 5715, 14709, 24515, 44127, 73545, 220635, 622681, 1868043, 3113405, 5604129, 9340215, 28020645]

約数ペア:

[(1, 28020645), (3, 9340215), (5, 5604129), (9, 3113405), (15, 1868043), (45, 622681), (127, 220635), (381, 73545), (635, 44127), (1143, 24515), (1905, 14709), (4903, 5715)]