213103765

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1237

約数の個数: 32

約数和(自身を含む): 303519744

約数和(自身を除く): 90415979

約数列:

[1, 5, 7, 31, 35, 155, 197, 217, 985, 997, 1085, 1379, 4985, 6107, 6895, 6979, 30535, 30907, 34895, 42749, 154535, 196409, 213745, 216349, 982045, 1081745, 1374863, 6088679, 6874315, 30443395, 42620753, 213103765]

約数ペア:

[(1, 213103765), (5, 42620753), (7, 30443395), (31, 6874315), (35, 6088679), (155, 1374863), (197, 1081745), (217, 982045), (985, 216349), (997, 213745), (1085, 196409), (1379, 154535), (4985, 42749), (6107, 34895), (6895, 30907), (6979, 30535)]