1287491331

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{9257}}^1$

素因数の和:9483

約数の個数: 32

約数和(自身を含む): 2026391040

約数和(自身を除く): 738899709

約数列:

[1, 3, 7, 21, 37, 111, 179, 259, 537, 777, 1253, 3759, 6623, 9257, 19869, 27771, 46361, 64799, 139083, 194397, 342509, 1027527, 1657003, 2397563, 4971009, 7192689, 11599021, 34797063, 61309111, 183927333, 429163777, 1287491331]

約数ペア:

[(1, 1287491331), (3, 429163777), (7, 183927333), (21, 61309111), (37, 34797063), (111, 11599021), (179, 7192689), (259, 4971009), (537, 2397563), (777, 1657003), (1253, 1027527), (3759, 342509), (6623, 194397), (9257, 139083), (19869, 64799), (27771, 46361)]