81445311

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 51610689

約数列:

[1, 3, 9, 27, 29, 41, 43, 59, 87, 123, 129, 177, 261, 369, 387, 531, 783, 1107, 1161, 1189, 1247, 1593, 1711, 1763, 2419, 2537, 3567, 3741, 5133, 5289, 7257, 7611, 10701, 11223, 15399, 15867, 21771, 22833, 32103, 33669, 46197, 47601, 51127, 65313, 68499, 70151, 73573, 104017, 153381, 210453, 220719, 312051, 460143, 631359, 662157, 936153, 1380429, 1894077, 1986471, 2808459, 3016493, 9049479, 27148437, 81445311]

約数ペア:

[(1, 81445311), (3, 27148437), (9, 9049479), (27, 3016493), (29, 2808459), (41, 1986471), (43, 1894077), (59, 1380429), (87, 936153), (123, 662157), (129, 631359), (177, 460143), (261, 312051), (369, 220719), (387, 210453), (531, 153381), (783, 104017), (1107, 73573), (1161, 70151), (1189, 68499), (1247, 65313), (1593, 51127), (1711, 47601), (1763, 46197), (2419, 33669), (2537, 32103), (3567, 22833), (3741, 21771), (5133, 15867), (5289, 15399), (7257, 11223), (7611, 10701)]