20171866869

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{676931}}^1$

素因数の和:676998

約数の個数: 48

約数和(自身を含む): 37171689984

約数和(自身を除く): 16999823115

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 2709, 3311, 4257, 9933, 29799, 676931, 2030793, 4738517, 6092379, 7446241, 14215551, 22338723, 29108033, 42646653, 52123687, 67016169, 87324099, 156371061, 203756231, 261972297, 320188363, 469113183, 611268693, 960565089, 1833806079, 2241318541, 2881695267, 6723955623, 20171866869]

約数ペア:

[(1, 20171866869), (3, 6723955623), (7, 2881695267), (9, 2241318541), (11, 1833806079), (21, 960565089), (33, 611268693), (43, 469113183), (63, 320188363), (77, 261972297), (99, 203756231), (129, 156371061), (231, 87324099), (301, 67016169), (387, 52123687), (473, 42646653), (693, 29108033), (903, 22338723), (1419, 14215551), (2709, 7446241), (3311, 6092379), (4257, 4738517), (9933, 2030793), (29799, 676931)]