220163727

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{6911}}^1$

素因数の和:6999

約数の個数: 32

約数和(自身を含む): 353009664

約数和(自身を除く): 132845937

約数列:

[1, 3, 7, 21, 37, 41, 111, 123, 259, 287, 777, 861, 1517, 4551, 6911, 10619, 20733, 31857, 48377, 145131, 255707, 283351, 767121, 850053, 1789949, 1983457, 5369847, 5950371, 10483987, 31451961, 73387909, 220163727]

約数ペア:

[(1, 220163727), (3, 73387909), (7, 31451961), (21, 10483987), (37, 5950371), (41, 5369847), (111, 1983457), (123, 1789949), (259, 850053), (287, 767121), (777, 283351), (861, 255707), (1517, 145131), (4551, 48377), (6911, 31857), (10619, 20733)]