6821913

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 11176704

約数和(自身を除く): 4354791

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 197, 291, 357, 591, 679, 1379, 1649, 2037, 3349, 4137, 4947, 10047, 11543, 19109, 23443, 34629, 57327, 70329, 133763, 324853, 401289, 974559, 2273971, 6821913]

約数ペア:

[(1, 6821913), (3, 2273971), (7, 974559), (17, 401289), (21, 324853), (51, 133763), (97, 70329), (119, 57327), (197, 34629), (291, 23443), (357, 19109), (591, 11543), (679, 10047), (1379, 4947), (1649, 4137), (2037, 3349)]