247267263

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 346705920

約数和(自身を除く): 99438657

約数列:

[1, 3, 37, 107, 109, 111, 191, 321, 327, 573, 3959, 4033, 7067, 11663, 11877, 12099, 20437, 20819, 21201, 34989, 61311, 62457, 431531, 756169, 770303, 1294593, 2227633, 2268507, 2310909, 6682899, 82422421, 247267263]

約数ペア:

[(1, 247267263), (3, 82422421), (37, 6682899), (107, 2310909), (109, 2268507), (111, 2227633), (191, 1294593), (321, 770303), (327, 756169), (573, 431531), (3959, 62457), (4033, 61311), (7067, 34989), (11663, 21201), (11877, 20819), (12099, 20437)]