212437239

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2707}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 335878656

約数和(自身を除く): 123441417

約数列:

[1, 3, 7, 21, 37, 101, 111, 259, 303, 707, 777, 2121, 2707, 3737, 8121, 11211, 18949, 26159, 56847, 78477, 100159, 273407, 300477, 701113, 820221, 1913849, 2103339, 5741547, 10116059, 30348177, 70812413, 212437239]

約数ペア:

[(1, 212437239), (3, 70812413), (7, 30348177), (21, 10116059), (37, 5741547), (101, 2103339), (111, 1913849), (259, 820221), (303, 701113), (707, 300477), (777, 273407), (2121, 100159), (2707, 78477), (3737, 56847), (8121, 26159), (11211, 18949)]