201966681

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{80819}}^1$

素因数の和:80853

約数の個数: 24

約数和(自身を含む): 331685280

約数和(自身を除く): 129718599

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 80819, 242457, 565733, 1373923, 1697199, 3960131, 4121769, 9617461, 11880393, 28852383, 67322227, 201966681]

約数ペア:

[(1, 201966681), (3, 67322227), (7, 28852383), (17, 11880393), (21, 9617461), (49, 4121769), (51, 3960131), (119, 1697199), (147, 1373923), (357, 565733), (833, 242457), (2499, 80819)]