81577287

素因数分解:

$3^7\times {\mathrm{11}}^1\times {\mathrm{3391}}^1$

素因数の和:3423

約数の個数: 32

約数和(自身を含む): 133509120

約数和(自身を除く): 51931833

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2187, 2673, 3391, 8019, 10173, 24057, 30519, 37301, 91557, 111903, 274671, 335709, 824013, 1007127, 2472039, 3021381, 7416117, 9064143, 27192429, 81577287]

約数ペア:

[(1, 81577287), (3, 27192429), (9, 9064143), (11, 7416117), (27, 3021381), (33, 2472039), (81, 1007127), (99, 824013), (243, 335709), (297, 274671), (729, 111903), (891, 91557), (2187, 37301), (2673, 30519), (3391, 24057), (8019, 10173)]