2882781

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 4671264

約数和(自身を除く): 1788483

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 787, 1221, 2361, 3663, 7083, 8657, 25971, 29119, 77913, 87357, 262071, 320309, 960927, 2882781]

約数ペア:

[(1, 2882781), (3, 960927), (9, 320309), (11, 262071), (33, 87357), (37, 77913), (99, 29119), (111, 25971), (333, 8657), (407, 7083), (787, 3663), (1221, 2361)]