211236471

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8761}}^1$

素因数の和:8836

約数の個数: 32

約数和(自身を含む): 336460800

約数和(自身を除く): 125224329

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 893, 1269, 2679, 8037, 8761, 24111, 26283, 78849, 166459, 236547, 411767, 499377, 1235301, 1498131, 3705903, 4494393, 7823573, 11117709, 23470719, 70412157, 211236471]

約数ペア:

[(1, 211236471), (3, 70412157), (9, 23470719), (19, 11117709), (27, 7823573), (47, 4494393), (57, 3705903), (141, 1498131), (171, 1235301), (423, 499377), (513, 411767), (893, 236547), (1269, 166459), (2679, 78849), (8037, 26283), (8761, 24111)]