51171351

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 91238400

約数和(自身を除く): 40067049

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 89, 131, 133, 209, 231, 267, 393, 399, 623, 627, 917, 979, 1441, 1463, 1691, 1869, 2489, 2751, 2937, 4323, 4389, 5073, 6853, 7467, 10087, 11659, 11837, 17423, 18601, 20559, 27379, 30261, 34977, 35511, 52269, 55803, 81613, 82137, 128249, 130207, 191653, 221521, 244839, 384747, 390621, 574959, 664563, 897743, 1550647, 2436731, 2693229, 4651941, 7310193, 17057117, 51171351]

約数ペア:

[(1, 51171351), (3, 17057117), (7, 7310193), (11, 4651941), (19, 2693229), (21, 2436731), (33, 1550647), (57, 897743), (77, 664563), (89, 574959), (131, 390621), (133, 384747), (209, 244839), (231, 221521), (267, 191653), (393, 130207), (399, 128249), (623, 82137), (627, 81613), (917, 55803), (979, 52269), (1441, 35511), (1463, 34977), (1691, 30261), (1869, 27379), (2489, 20559), (2751, 18601), (2937, 17423), (4323, 11837), (4389, 11659), (5073, 10087), (6853, 7467)]