81349191

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13043}}^1$

素因数の和:13073

約数の個数: 40

約数和(自身を含む): 151519104

約数和(自身を除く): 70169913

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 13043, 39129, 91301, 117387, 143473, 273903, 352161, 430419, 821709, 1004311, 1056483, 1291257, 2465127, 3012933, 3873771, 7395381, 9038799, 11621313, 27116397, 81349191]

約数ペア:

[(1, 81349191), (3, 27116397), (7, 11621313), (9, 9038799), (11, 7395381), (21, 3873771), (27, 3012933), (33, 2465127), (63, 1291257), (77, 1056483), (81, 1004311), (99, 821709), (189, 430419), (231, 352161), (297, 273903), (567, 143473), (693, 117387), (891, 91301), (2079, 39129), (6237, 13043)]