208857393

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4691}}^1$

素因数の和:4814

約数の個数: 32

約数和(自身を含む): 331067520

約数和(自身を除く): 122210127

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 291, 459, 873, 1649, 2619, 4691, 4947, 14073, 14841, 42219, 44523, 79747, 126657, 239241, 455027, 717723, 1365081, 2153169, 4095243, 7735459, 12285729, 23206377, 69619131, 208857393]

約数ペア:

[(1, 208857393), (3, 69619131), (9, 23206377), (17, 12285729), (27, 7735459), (51, 4095243), (97, 2153169), (153, 1365081), (291, 717723), (459, 455027), (873, 239241), (1649, 126657), (2619, 79747), (4691, 44523), (4947, 42219), (14073, 14841)]