39877383

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 67845120

約数和(自身を除く): 27967737

約数列:

[1, 3, 7, 13, 21, 39, 43, 79, 91, 129, 237, 273, 301, 553, 559, 903, 1027, 1659, 1677, 1849, 3081, 3397, 3913, 5547, 7189, 10191, 11739, 12943, 21567, 23779, 24037, 38829, 44161, 71337, 72111, 132483, 146071, 168259, 309127, 438213, 504777, 927381, 1022497, 1898923, 3067491, 5696769, 13292461, 39877383]

約数ペア:

[(1, 39877383), (3, 13292461), (7, 5696769), (13, 3067491), (21, 1898923), (39, 1022497), (43, 927381), (79, 504777), (91, 438213), (129, 309127), (237, 168259), (273, 146071), (301, 132483), (553, 72111), (559, 71337), (903, 44161), (1027, 38829), (1659, 24037), (1677, 23779), (1849, 21567), (3081, 12943), (3397, 11739), (3913, 10191), (5547, 7189)]