128927673

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 245145600

約数和(自身を除く): 116217927

約数列:

[1, 3, 7, 9, 19, 21, 23, 27, 49, 57, 63, 69, 133, 147, 161, 171, 189, 207, 223, 399, 437, 441, 483, 513, 621, 669, 931, 1127, 1197, 1311, 1323, 1449, 1561, 2007, 2793, 3059, 3381, 3591, 3933, 4237, 4347, 4683, 5129, 6021, 8379, 9177, 10143, 10927, 11799, 12711, 14049, 15387, 21413, 25137, 27531, 29659, 30429, 32781, 35903, 38133, 42147, 46161, 64239, 82593, 88977, 97451, 98343, 107709, 114399, 138483, 192717, 207613, 251321, 266931, 292353, 295029, 323127, 578151, 622839, 682157, 753963, 800793, 877059, 969381, 1868517, 2046471, 2261889, 2631177, 4775099, 5605551, 6139413, 6785667, 14325297, 18418239, 42975891, 128927673]

約数ペア:

[(1, 128927673), (3, 42975891), (7, 18418239), (9, 14325297), (19, 6785667), (21, 6139413), (23, 5605551), (27, 4775099), (49, 2631177), (57, 2261889), (63, 2046471), (69, 1868517), (133, 969381), (147, 877059), (161, 800793), (171, 753963), (189, 682157), (207, 622839), (223, 578151), (399, 323127), (437, 295029), (441, 292353), (483, 266931), (513, 251321), (621, 207613), (669, 192717), (931, 138483), (1127, 114399), (1197, 107709), (1311, 98343), (1323, 97451), (1449, 88977), (1561, 82593), (2007, 64239), (2793, 46161), (3059, 42147), (3381, 38133), (3591, 35903), (3933, 32781), (4237, 30429), (4347, 29659), (4683, 27531), (5129, 25137), (6021, 21413), (8379, 15387), (9177, 14049), (10143, 12711), (10927, 11799)]