139891857

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 231137280

約数和(自身を除く): 91245423

約数列:

[1, 3, 7, 21, 37, 43, 53, 79, 111, 129, 159, 237, 259, 301, 371, 553, 777, 903, 1113, 1591, 1659, 1961, 2279, 2923, 3397, 4187, 4773, 5883, 6837, 8769, 10191, 11137, 12561, 13727, 15953, 20461, 23779, 29309, 33411, 41181, 47859, 61383, 71337, 84323, 87927, 125689, 154919, 180041, 252969, 377067, 464757, 540123, 590261, 879823, 1084433, 1260287, 1770783, 2639469, 3253299, 3780861, 6661517, 19984551, 46630619, 139891857]

約数ペア:

[(1, 139891857), (3, 46630619), (7, 19984551), (21, 6661517), (37, 3780861), (43, 3253299), (53, 2639469), (79, 1770783), (111, 1260287), (129, 1084433), (159, 879823), (237, 590261), (259, 540123), (301, 464757), (371, 377067), (553, 252969), (777, 180041), (903, 154919), (1113, 125689), (1591, 87927), (1659, 84323), (1961, 71337), (2279, 61383), (2923, 47859), (3397, 41181), (4187, 33411), (4773, 29309), (5883, 23779), (6837, 20461), (8769, 15953), (10191, 13727), (11137, 12561)]