28860777

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7879}}^1$

素因数の和:7933

約数の個数: 24

約数和(自身を含む): 46712640

約数和(自身を除く): 17851863

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 7879, 23637, 70911, 86669, 260007, 291523, 780021, 874569, 2623707, 3206753, 9620259, 28860777]

約数ペア:

[(1, 28860777), (3, 9620259), (9, 3206753), (11, 2623707), (33, 874569), (37, 780021), (99, 291523), (111, 260007), (333, 86669), (407, 70911), (1221, 23637), (3663, 7879)]