81437055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 161491968

約数和(自身を除く): 80054913

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 43, 51, 85, 105, 119, 129, 215, 255, 301, 357, 595, 645, 731, 903, 1061, 1505, 1785, 2193, 3183, 3655, 4515, 5117, 5305, 7427, 10965, 15351, 15915, 18037, 22281, 25585, 37135, 45623, 54111, 76755, 90185, 111405, 126259, 136869, 228115, 270555, 319361, 378777, 631295, 684345, 775591, 958083, 1596805, 1893885, 2326773, 3877955, 4790415, 5429137, 11633865, 16287411, 27145685, 81437055]

約数ペア:

[(1, 81437055), (3, 27145685), (5, 16287411), (7, 11633865), (15, 5429137), (17, 4790415), (21, 3877955), (35, 2326773), (43, 1893885), (51, 1596805), (85, 958083), (105, 775591), (119, 684345), (129, 631295), (215, 378777), (255, 319361), (301, 270555), (357, 228115), (595, 136869), (645, 126259), (731, 111405), (903, 90185), (1061, 76755), (1505, 54111), (1785, 45623), (2193, 37135), (3183, 25585), (3655, 22281), (4515, 18037), (5117, 15915), (5305, 15351), (7427, 10965)]