81541537

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 36

約数和(自身を含む): 110530980

約数和(自身を除く): 28989443

約数列:

[1, 7, 11, 17, 49, 77, 119, 121, 187, 539, 809, 833, 847, 1309, 2057, 5663, 5929, 8899, 9163, 13753, 14399, 39641, 62293, 96271, 97889, 100793, 151283, 436051, 673897, 685223, 1058981, 1664113, 4796561, 7412867, 11648791, 81541537]

約数ペア:

[(1, 81541537), (7, 11648791), (11, 7412867), (17, 4796561), (49, 1664113), (77, 1058981), (119, 685223), (121, 673897), (187, 436051), (539, 151283), (809, 100793), (833, 97889), (847, 96271), (1309, 62293), (2057, 39641), (5663, 14399), (5929, 13753), (8899, 9163)]