77681709

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 140375040

約数和(自身を除く): 62693331

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 73, 127, 133, 147, 171, 219, 381, 399, 441, 511, 657, 889, 931, 1143, 1197, 1387, 1533, 2413, 2667, 2793, 3577, 4161, 4599, 6223, 7239, 8001, 8379, 9271, 9709, 10731, 12483, 16891, 18669, 21717, 27813, 29127, 32193, 50673, 56007, 64897, 67963, 83439, 87381, 118237, 152019, 176149, 194691, 203889, 354711, 454279, 528447, 584073, 611667, 1064133, 1233043, 1362837, 1585341, 3699129, 4088511, 8631301, 11097387, 25893903, 77681709]

約数ペア:

[(1, 77681709), (3, 25893903), (7, 11097387), (9, 8631301), (19, 4088511), (21, 3699129), (49, 1585341), (57, 1362837), (63, 1233043), (73, 1064133), (127, 611667), (133, 584073), (147, 528447), (171, 454279), (219, 354711), (381, 203889), (399, 194691), (441, 176149), (511, 152019), (657, 118237), (889, 87381), (931, 83439), (1143, 67963), (1197, 64897), (1387, 56007), (1533, 50673), (2413, 32193), (2667, 29127), (2793, 27813), (3577, 21717), (4161, 18669), (4599, 16891), (6223, 12483), (7239, 10731), (8001, 9709), (8379, 9271)]