201897123

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 283668480

約数和(自身を除く): 81771357

約数列:

[1, 3, 37, 89, 107, 111, 191, 267, 321, 573, 3293, 3959, 7067, 9523, 9879, 11877, 16999, 20437, 21201, 28569, 50997, 61311, 352351, 628963, 756169, 1057053, 1818893, 1886889, 2268507, 5456679, 67299041, 201897123]

約数ペア:

[(1, 201897123), (3, 67299041), (37, 5456679), (89, 2268507), (107, 1886889), (111, 1818893), (191, 1057053), (267, 756169), (321, 628963), (573, 352351), (3293, 61311), (3959, 50997), (7067, 28569), (9523, 21201), (9879, 20437), (11877, 16999)]