81506007

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5381}}^1$

素因数の和:5421

約数の個数: 40

約数和(自身を含む): 140663952

約数和(自身を除く): 59157945

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1377, 1683, 5049, 5381, 15147, 16143, 48429, 59191, 91477, 145287, 177573, 274431, 435861, 532719, 823293, 1006247, 1598157, 2469879, 3018741, 4794471, 7409637, 9056223, 27168669, 81506007]

約数ペア:

[(1, 81506007), (3, 27168669), (9, 9056223), (11, 7409637), (17, 4794471), (27, 3018741), (33, 2469879), (51, 1598157), (81, 1006247), (99, 823293), (153, 532719), (187, 435861), (297, 274431), (459, 177573), (561, 145287), (891, 91477), (1377, 59191), (1683, 48429), (5049, 16143), (5381, 15147)]