161867781

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1303}}^1$

素因数の和:1462

約数の個数: 32

約数和(自身を含む): 247864320

約数和(自身を除く): 85996539

約数列:

[1, 3, 9, 27, 43, 107, 129, 321, 387, 963, 1161, 1303, 2889, 3909, 4601, 11727, 13803, 35181, 41409, 56029, 124227, 139421, 168087, 418263, 504261, 1254789, 1512783, 3764367, 5995103, 17985309, 53955927, 161867781]

約数ペア:

[(1, 161867781), (3, 53955927), (9, 17985309), (27, 5995103), (43, 3764367), (107, 1512783), (129, 1254789), (321, 504261), (387, 418263), (963, 168087), (1161, 139421), (1303, 124227), (2889, 56029), (3909, 41409), (4601, 35181), (11727, 13803)]