11980563

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 19874304

約数和(自身を除く): 7893741

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 907, 1887, 2721, 4403, 6349, 13209, 15419, 19047, 33559, 46257, 100677, 107933, 234913, 323799, 570503, 704739, 1711509, 3993521, 11980563]

約数ペア:

[(1, 11980563), (3, 3993521), (7, 1711509), (17, 704739), (21, 570503), (37, 323799), (51, 234913), (111, 107933), (119, 100677), (259, 46257), (357, 33559), (629, 19047), (777, 15419), (907, 13209), (1887, 6349), (2721, 4403)]