71711661

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 122135040

約数和(自身を除く): 50423379

約数列:

[1, 3, 7, 17, 21, 37, 51, 61, 89, 111, 119, 183, 259, 267, 357, 427, 623, 629, 777, 1037, 1281, 1513, 1869, 1887, 2257, 3111, 3293, 4403, 4539, 5429, 6771, 7259, 9879, 10591, 13209, 15799, 16287, 21777, 23051, 31773, 38003, 38369, 47397, 55981, 69153, 92293, 114009, 115107, 167943, 200873, 268583, 276879, 391867, 602619, 646051, 805749, 1175601, 1406111, 1938153, 3414841, 4218333, 10244523, 23903887, 71711661]

約数ペア:

[(1, 71711661), (3, 23903887), (7, 10244523), (17, 4218333), (21, 3414841), (37, 1938153), (51, 1406111), (61, 1175601), (89, 805749), (111, 646051), (119, 602619), (183, 391867), (259, 276879), (267, 268583), (357, 200873), (427, 167943), (623, 115107), (629, 114009), (777, 92293), (1037, 69153), (1281, 55981), (1513, 47397), (1869, 38369), (1887, 38003), (2257, 31773), (3111, 23051), (3293, 21777), (4403, 16287), (4539, 15799), (5429, 13209), (6771, 10591), (7259, 9879)]