248509443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12821}}^1$

素因数の和:12915

約数の個数: 32

約数和(自身を含む): 413586432

約数和(自身を除く): 165076989

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 12821, 19383, 38463, 89747, 166673, 269241, 500019, 910291, 1166711, 2730873, 3500133, 6372037, 11833783, 19116111, 35501349, 82836481, 248509443]

約数ペア:

[(1, 248509443), (3, 82836481), (7, 35501349), (13, 19116111), (21, 11833783), (39, 6372037), (71, 3500133), (91, 2730873), (213, 1166711), (273, 910291), (497, 500019), (923, 269241), (1491, 166673), (2769, 89747), (6461, 38463), (12821, 19383)]