81326079

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1087}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 128471040

約数和(自身を除く): 47144961

約数列:

[1, 3, 9, 17, 27, 51, 153, 163, 459, 489, 1087, 1467, 2771, 3261, 4401, 8313, 9783, 18479, 24939, 29349, 55437, 74817, 166311, 177181, 498933, 531543, 1594629, 3012077, 4783887, 9036231, 27108693, 81326079]

約数ペア:

[(1, 81326079), (3, 27108693), (9, 9036231), (17, 4783887), (27, 3012077), (51, 1594629), (153, 531543), (163, 498933), (459, 177181), (489, 166311), (1087, 74817), (1467, 55437), (2771, 29349), (3261, 24939), (4401, 18479), (8313, 9783)]