1771306719

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 2994733056

約数和(自身を除く): 1223426337

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 127, 141, 273, 329, 381, 611, 889, 987, 1087, 1651, 1833, 2667, 3261, 4277, 4953, 5969, 7609, 11557, 12831, 14131, 17907, 22827, 34671, 41783, 42393, 51089, 77597, 98917, 125349, 138049, 153267, 232791, 296751, 357623, 414147, 543179, 664157, 966343, 1072869, 1629537, 1794637, 1992471, 2899029, 4649099, 5383911, 6488303, 12562459, 13947297, 19464909, 37687377, 45418121, 84347939, 136254363, 253043817, 590435573, 1771306719]

約数ペア:

[(1, 1771306719), (3, 590435573), (7, 253043817), (13, 136254363), (21, 84347939), (39, 45418121), (47, 37687377), (91, 19464909), (127, 13947297), (141, 12562459), (273, 6488303), (329, 5383911), (381, 4649099), (611, 2899029), (889, 1992471), (987, 1794637), (1087, 1629537), (1651, 1072869), (1833, 966343), (2667, 664157), (3261, 543179), (4277, 414147), (4953, 357623), (5969, 296751), (7609, 232791), (11557, 153267), (12831, 138049), (14131, 125349), (17907, 98917), (22827, 77597), (34671, 51089), (41783, 42393)]