67816719

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 110373120

約数和(自身を除く): 42556401

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 207, 387, 401, 437, 817, 989, 1203, 1311, 2451, 2967, 3609, 3933, 7353, 7619, 8901, 9223, 17243, 18791, 22857, 27669, 51729, 56373, 68571, 83007, 155187, 169119, 175237, 327617, 396589, 525711, 982851, 1189767, 1577133, 2948553, 3569301, 7535191, 22605573, 67816719]

約数ペア:

[(1, 67816719), (3, 22605573), (9, 7535191), (19, 3569301), (23, 2948553), (43, 1577133), (57, 1189767), (69, 982851), (129, 525711), (171, 396589), (207, 327617), (387, 175237), (401, 169119), (437, 155187), (817, 83007), (989, 68571), (1203, 56373), (1311, 51729), (2451, 27669), (2967, 22857), (3609, 18791), (3933, 17243), (7353, 9223), (7619, 8901)]