639846

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 48

約数和(自身を含む): 1547280

約数和(自身を除く): 907434

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 41, 51, 54, 82, 102, 123, 153, 246, 289, 306, 369, 459, 578, 697, 738, 867, 918, 1107, 1394, 1734, 2091, 2214, 2601, 4182, 5202, 6273, 7803, 11849, 12546, 15606, 18819, 23698, 35547, 37638, 71094, 106641, 213282, 319923, 639846]

約数ペア:

[(1, 639846), (2, 319923), (3, 213282), (6, 106641), (9, 71094), (17, 37638), (18, 35547), (27, 23698), (34, 18819), (41, 15606), (51, 12546), (54, 11849), (82, 7803), (102, 6273), (123, 5202), (153, 4182), (246, 2601), (289, 2214), (306, 2091), (369, 1734), (459, 1394), (578, 1107), (697, 918), (738, 867)]