388311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 661632

約数和(自身を除く): 273321

約数列:

[1, 3, 7, 11, 21, 33, 41, 77, 123, 231, 287, 451, 861, 1353, 1681, 3157, 5043, 9471, 11767, 18491, 35301, 55473, 129437, 388311]

約数ペア:

[(1, 388311), (3, 129437), (7, 55473), (11, 35301), (21, 18491), (33, 11767), (41, 9471), (77, 5043), (123, 3157), (231, 1681), (287, 1353), (451, 861)]