2649681

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 4021160

約数和(自身を除く): 1371479

約数列:

[1, 3, 9, 37, 73, 109, 111, 219, 327, 333, 657, 981, 2701, 4033, 7957, 8103, 12099, 23871, 24309, 36297, 71613, 294409, 883227, 2649681]

約数ペア:

[(1, 2649681), (3, 883227), (9, 294409), (37, 71613), (73, 36297), (109, 24309), (111, 23871), (219, 12099), (327, 8103), (333, 7957), (657, 4033), (981, 2701)]