3728781

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 6406400

約数和(自身を除く): 2677619

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 181, 189, 327, 543, 763, 981, 1267, 1629, 2289, 2943, 3801, 4887, 6867, 11403, 19729, 20601, 34209, 59187, 138103, 177561, 414309, 532683, 1242927, 3728781]

約数ペア:

[(1, 3728781), (3, 1242927), (7, 532683), (9, 414309), (21, 177561), (27, 138103), (63, 59187), (109, 34209), (181, 20601), (189, 19729), (327, 11403), (543, 6867), (763, 4887), (981, 3801), (1267, 2943), (1629, 2289)]