213426279

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 374492160

約数和(自身を除く): 161065881

約数列:

[1, 3, 9, 11, 17, 27, 33, 41, 51, 99, 123, 153, 187, 297, 369, 451, 459, 561, 697, 1031, 1107, 1353, 1683, 2091, 3093, 4059, 5049, 6273, 7667, 9279, 11341, 12177, 17527, 18819, 23001, 27837, 34023, 42271, 52581, 69003, 102069, 126813, 157743, 192797, 207009, 306207, 380439, 464981, 473229, 578391, 718607, 1141317, 1394943, 1735173, 2155821, 4184829, 5205519, 6467463, 7904677, 12554487, 19402389, 23714031, 71142093, 213426279]

約数ペア:

[(1, 213426279), (3, 71142093), (9, 23714031), (11, 19402389), (17, 12554487), (27, 7904677), (33, 6467463), (41, 5205519), (51, 4184829), (99, 2155821), (123, 1735173), (153, 1394943), (187, 1141317), (297, 718607), (369, 578391), (451, 473229), (459, 464981), (561, 380439), (697, 306207), (1031, 207009), (1107, 192797), (1353, 157743), (1683, 126813), (2091, 102069), (3093, 69003), (4059, 52581), (5049, 42271), (6273, 34023), (7667, 27837), (9279, 23001), (11341, 18819), (12177, 17527)]