206736705

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{72923}}^1$

素因数の和:72947

約数の個数: 40

約数和(自身を含む): 423542592

約数和(自身を除く): 216805887

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 72923, 218769, 364615, 510461, 656307, 1093845, 1531383, 1968921, 2552305, 3281535, 4594149, 5906763, 7656915, 9844605, 13782447, 22970745, 29533815, 41347341, 68912235, 206736705]

約数ペア:

[(1, 206736705), (3, 68912235), (5, 41347341), (7, 29533815), (9, 22970745), (15, 13782447), (21, 9844605), (27, 7656915), (35, 5906763), (45, 4594149), (63, 3281535), (81, 2552305), (105, 1968921), (135, 1531383), (189, 1093845), (315, 656307), (405, 510461), (567, 364615), (945, 218769), (2835, 72923)]