2785404807

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 4486310400

約数和(自身を除く): 1700905593

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 257, 333, 513, 571, 703, 771, 999, 1713, 2109, 2313, 4883, 5139, 6327, 6939, 9509, 10849, 14649, 15417, 18981, 21127, 28527, 32547, 43947, 63381, 85581, 97641, 131841, 146747, 180671, 190143, 256743, 292923, 401413, 440241, 542013, 570429, 1204239, 1320723, 1626039, 2788193, 3612717, 3962169, 4878117, 5429639, 8364579, 10838151, 16288917, 25093737, 48866751, 75281211, 103163141, 146600253, 309489423, 928468269, 2785404807]

約数ペア:

[(1, 2785404807), (3, 928468269), (9, 309489423), (19, 146600253), (27, 103163141), (37, 75281211), (57, 48866751), (111, 25093737), (171, 16288917), (257, 10838151), (333, 8364579), (513, 5429639), (571, 4878117), (703, 3962169), (771, 3612717), (999, 2788193), (1713, 1626039), (2109, 1320723), (2313, 1204239), (4883, 570429), (5139, 542013), (6327, 440241), (6939, 401413), (9509, 292923), (10849, 256743), (14649, 190143), (15417, 180671), (18981, 146747), (21127, 131841), (28527, 97641), (32547, 85581), (43947, 63381)]