28017915

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2221}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 46448688

約数和(自身を除く): 18430773

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 2221, 2523, 4205, 6663, 11105, 12615, 33315, 64409, 193227, 322045, 966135, 1867861, 5603583, 9339305, 28017915]

約数ペア:

[(1, 28017915), (3, 9339305), (5, 5603583), (15, 1867861), (29, 966135), (87, 322045), (145, 193227), (435, 64409), (841, 33315), (2221, 12615), (2523, 11105), (4205, 6663)]