38451231

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 73447920

約数和(自身を除く): 34996689

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 133, 147, 171, 247, 273, 353, 399, 441, 637, 741, 819, 931, 1059, 1197, 1729, 1911, 2223, 2471, 2793, 3177, 4589, 5187, 5733, 6707, 7413, 8379, 12103, 13767, 15561, 17297, 20121, 22239, 32123, 36309, 41301, 46949, 51891, 60363, 87191, 96369, 108927, 140847, 155673, 224861, 261573, 289107, 328643, 422541, 610337, 674583, 784719, 985929, 1831011, 2023749, 2957787, 4272359, 5493033, 12817077, 38451231]

約数ペア:

[(1, 38451231), (3, 12817077), (7, 5493033), (9, 4272359), (13, 2957787), (19, 2023749), (21, 1831011), (39, 985929), (49, 784719), (57, 674583), (63, 610337), (91, 422541), (117, 328643), (133, 289107), (147, 261573), (171, 224861), (247, 155673), (273, 140847), (353, 108927), (399, 96369), (441, 87191), (637, 60363), (741, 51891), (819, 46949), (931, 41301), (1059, 36309), (1197, 32123), (1729, 22239), (1911, 20121), (2223, 17297), (2471, 15561), (2793, 13767), (3177, 12103), (4589, 8379), (5187, 7413), (5733, 6707)]