870837849

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2417}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 1576729440

約数和(自身を除く): 705891591

約数列:

[1, 3, 7, 9, 19, 21, 43, 49, 57, 63, 129, 133, 147, 171, 301, 387, 399, 441, 817, 903, 931, 1197, 2107, 2417, 2451, 2709, 2793, 5719, 6321, 7251, 7353, 8379, 16919, 17157, 18963, 21753, 40033, 45923, 50757, 51471, 103931, 118433, 120099, 137769, 152271, 311793, 321461, 355299, 360297, 413307, 727517, 935379, 964383, 1065897, 1974689, 2182551, 2250227, 2893149, 5092619, 5924067, 6547653, 6750681, 13822823, 15277857, 17772201, 20252043, 41468469, 45833571, 96759761, 124405407, 290279283, 870837849]

約数ペア:

[(1, 870837849), (3, 290279283), (7, 124405407), (9, 96759761), (19, 45833571), (21, 41468469), (43, 20252043), (49, 17772201), (57, 15277857), (63, 13822823), (129, 6750681), (133, 6547653), (147, 5924067), (171, 5092619), (301, 2893149), (387, 2250227), (399, 2182551), (441, 1974689), (817, 1065897), (903, 964383), (931, 935379), (1197, 727517), (2107, 413307), (2417, 360297), (2451, 355299), (2709, 321461), (2793, 311793), (5719, 152271), (6321, 137769), (7251, 120099), (7353, 118433), (8379, 103931), (16919, 51471), (17157, 50757), (18963, 45923), (21753, 40033)]