275247

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 482976

約数和(自身を除く): 207729

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 257, 357, 771, 1071, 1799, 2313, 4369, 5397, 13107, 16191, 30583, 39321, 91749, 275247]

約数ペア:

[(1, 275247), (3, 91749), (7, 39321), (9, 30583), (17, 16191), (21, 13107), (51, 5397), (63, 4369), (119, 2313), (153, 1799), (257, 1071), (357, 771)]