209436381

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 390297600

約数和(自身を除く): 180861219

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 131, 189, 231, 297, 393, 693, 769, 917, 1179, 1441, 2079, 2307, 2751, 3537, 4323, 5383, 6921, 8253, 8459, 10087, 12969, 16149, 20763, 24759, 25377, 30261, 38907, 48447, 59213, 76131, 90783, 100739, 145341, 177639, 228393, 272349, 302217, 532917, 705173, 906651, 1108129, 1598751, 2115519, 2719953, 3324387, 6346557, 7756903, 9973161, 19039671, 23270709, 29919483, 69812127, 209436381]

約数ペア:

[(1, 209436381), (3, 69812127), (7, 29919483), (9, 23270709), (11, 19039671), (21, 9973161), (27, 7756903), (33, 6346557), (63, 3324387), (77, 2719953), (99, 2115519), (131, 1598751), (189, 1108129), (231, 906651), (297, 705173), (393, 532917), (693, 302217), (769, 272349), (917, 228393), (1179, 177639), (1441, 145341), (2079, 100739), (2307, 90783), (2751, 76131), (3537, 59213), (4323, 48447), (5383, 38907), (6921, 30261), (8253, 25377), (8459, 24759), (10087, 20763), (12969, 16149)]