81021303

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 140265216

約数和(自身を除く): 59243913

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 459, 561, 891, 1377, 1683, 1783, 2673, 4131, 5049, 5349, 15147, 16047, 19613, 30311, 45441, 48141, 58839, 90933, 144423, 176517, 272799, 333421, 433269, 529551, 818397, 1000263, 1588653, 2455191, 3000789, 4765959, 7365573, 9002367, 27007101, 81021303]

約数ペア:

[(1, 81021303), (3, 27007101), (9, 9002367), (11, 7365573), (17, 4765959), (27, 3000789), (33, 2455191), (51, 1588653), (81, 1000263), (99, 818397), (153, 529551), (187, 433269), (243, 333421), (297, 272799), (459, 176517), (561, 144423), (891, 90933), (1377, 58839), (1683, 48141), (1783, 45441), (2673, 30311), (4131, 19613), (5049, 16047), (5349, 15147)]