66913413

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 104315904

約数和(自身を除く): 37402491

約数列:

[1, 3, 7, 21, 97, 107, 291, 307, 321, 679, 749, 921, 2037, 2149, 2247, 6447, 10379, 29779, 31137, 32849, 72653, 89337, 98547, 208453, 217959, 229943, 625359, 689829, 3186353, 9559059, 22304471, 66913413]

約数ペア:

[(1, 66913413), (3, 22304471), (7, 9559059), (21, 3186353), (97, 689829), (107, 625359), (291, 229943), (307, 217959), (321, 208453), (679, 98547), (749, 89337), (921, 72653), (2037, 32849), (2149, 31137), (2247, 29779), (6447, 10379)]