247730355

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{6469}}^1$

素因数の和:6540

約数の個数: 48

約数和(自身を含む): 460249920

約数和(自身を除く): 212519565

約数列:

[1, 3, 5, 9, 15, 23, 37, 45, 69, 111, 115, 185, 207, 333, 345, 555, 851, 1035, 1665, 2553, 4255, 6469, 7659, 12765, 19407, 32345, 38295, 58221, 97035, 148787, 239353, 291105, 446361, 718059, 743935, 1196765, 1339083, 2154177, 2231805, 3590295, 5505119, 6695415, 10770885, 16515357, 27525595, 49546071, 82576785, 247730355]

約数ペア:

[(1, 247730355), (3, 82576785), (5, 49546071), (9, 27525595), (15, 16515357), (23, 10770885), (37, 6695415), (45, 5505119), (69, 3590295), (111, 2231805), (115, 2154177), (185, 1339083), (207, 1196765), (333, 743935), (345, 718059), (555, 446361), (851, 291105), (1035, 239353), (1665, 148787), (2553, 97035), (4255, 58221), (6469, 38295), (7659, 32345), (12765, 19407)]