28263255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19636905

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1247, 1511, 3741, 4533, 6235, 7555, 18705, 22665, 43819, 64973, 131457, 194919, 219095, 324865, 657285, 974595, 1884217, 5652651, 9421085, 28263255]

約数ペア:

[(1, 28263255), (3, 9421085), (5, 5652651), (15, 1884217), (29, 974595), (43, 657285), (87, 324865), (129, 219095), (145, 194919), (215, 131457), (435, 64973), (645, 43819), (1247, 22665), (1511, 18705), (3741, 7555), (4533, 6235)]