248940435

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20771}}^1$

素因数の和:20843

約数の個数: 32

約数和(自身を含む): 430728192

約数和(自身を除く): 181787757

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 20771, 62313, 103855, 311565, 353107, 976237, 1059321, 1765535, 2928711, 4881185, 5296605, 14643555, 16596029, 49788087, 82980145, 248940435]

約数ペア:

[(1, 248940435), (3, 82980145), (5, 49788087), (15, 16596029), (17, 14643555), (47, 5296605), (51, 4881185), (85, 2928711), (141, 1765535), (235, 1059321), (255, 976237), (705, 353107), (799, 311565), (2397, 103855), (3995, 62313), (11985, 20771)]