211025319

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 299920320

約数和(自身を除く): 88895001

約数列:

[1, 3, 37, 41, 89, 111, 123, 267, 521, 1517, 1563, 3293, 3649, 4551, 9879, 10947, 19277, 21361, 46369, 57831, 64083, 135013, 139107, 405039, 790357, 1715653, 1901129, 2371071, 5146959, 5703387, 70341773, 211025319]

約数ペア:

[(1, 211025319), (3, 70341773), (37, 5703387), (41, 5146959), (89, 2371071), (111, 1901129), (123, 1715653), (267, 790357), (521, 405039), (1517, 139107), (1563, 135013), (3293, 64083), (3649, 57831), (4551, 46369), (9879, 21361), (10947, 19277)]