289807551

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 537722064

約数和(自身を除く): 247914513

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 53, 57, 81, 99, 153, 159, 171, 187, 209, 297, 323, 361, 459, 477, 513, 561, 583, 627, 891, 901, 969, 1007, 1083, 1377, 1431, 1539, 1683, 1749, 1881, 2703, 2907, 3021, 3249, 3553, 3971, 4293, 5049, 5247, 5643, 6137, 8109, 8721, 9063, 9747, 9911, 10659, 11077, 11913, 15147, 15741, 16929, 17119, 18411, 19133, 24327, 26163, 27189, 29241, 29733, 31977, 33231, 35739, 47223, 51357, 55233, 57399, 67507, 72981, 81567, 89199, 95931, 99693, 107217, 154071, 165699, 172197, 188309, 202521, 210463, 267597, 287793, 299079, 321651, 325261, 462213, 497097, 516591, 564927, 607563, 631389, 802791, 897237, 975783, 1386639, 1549773, 1694781, 1822689, 1894167, 2927349, 3577871, 5084343, 5468067, 5682501, 8782047, 10733613, 15253029, 17047503, 26346141, 32200839, 96602517, 289807551]

約数ペア:

[(1, 289807551), (3, 96602517), (9, 32200839), (11, 26346141), (17, 17047503), (19, 15253029), (27, 10733613), (33, 8782047), (51, 5682501), (53, 5468067), (57, 5084343), (81, 3577871), (99, 2927349), (153, 1894167), (159, 1822689), (171, 1694781), (187, 1549773), (209, 1386639), (297, 975783), (323, 897237), (361, 802791), (459, 631389), (477, 607563), (513, 564927), (561, 516591), (583, 497097), (627, 462213), (891, 325261), (901, 321651), (969, 299079), (1007, 287793), (1083, 267597), (1377, 210463), (1431, 202521), (1539, 188309), (1683, 172197), (1749, 165699), (1881, 154071), (2703, 107217), (2907, 99693), (3021, 95931), (3249, 89199), (3553, 81567), (3971, 72981), (4293, 67507), (5049, 57399), (5247, 55233), (5643, 51357), (6137, 47223), (8109, 35739), (8721, 33231), (9063, 31977), (9747, 29733), (9911, 29241), (10659, 27189), (11077, 26163), (11913, 24327), (15147, 19133), (15741, 18411), (16929, 17119)]