81377163

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9161}}^1$

素因数の和:9224

約数の個数: 32

約数和(自身を含む): 140728320

約数和(自身を除く): 59351157

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 9161, 27483, 64127, 82449, 192381, 247347, 430567, 577143, 1291701, 1731429, 3013969, 3875103, 9041907, 11625309, 27125721, 81377163]

約数ペア:

[(1, 81377163), (3, 27125721), (7, 11625309), (9, 9041907), (21, 3875103), (27, 3013969), (47, 1731429), (63, 1291701), (141, 577143), (189, 430567), (329, 247347), (423, 192381), (987, 82449), (1269, 64127), (2961, 27483), (8883, 9161)]