55253247

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 39302913

約数列:

[1, 3, 7, 17, 21, 37, 47, 51, 89, 111, 119, 141, 259, 267, 329, 357, 623, 629, 777, 799, 987, 1513, 1739, 1869, 1887, 2397, 3293, 4183, 4403, 4539, 5217, 5593, 9879, 10591, 12173, 12549, 13209, 16779, 23051, 29281, 29563, 31773, 36519, 55981, 69153, 71111, 87843, 88689, 154771, 167943, 206941, 213333, 391867, 464313, 497777, 620823, 1083397, 1175601, 1493331, 2631107, 3250191, 7893321, 18417749, 55253247]

約数ペア:

[(1, 55253247), (3, 18417749), (7, 7893321), (17, 3250191), (21, 2631107), (37, 1493331), (47, 1175601), (51, 1083397), (89, 620823), (111, 497777), (119, 464313), (141, 391867), (259, 213333), (267, 206941), (329, 167943), (357, 154771), (623, 88689), (629, 87843), (777, 71111), (799, 69153), (987, 55981), (1513, 36519), (1739, 31773), (1869, 29563), (1887, 29281), (2397, 23051), (3293, 16779), (4183, 13209), (4403, 12549), (4539, 12173), (5217, 10591), (5593, 9879)]