81097191

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{75721}}^1$

素因数の和:75751

約数の個数: 24

約数和(自身を含む): 141751584

約数和(自身を除く): 60654393

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 75721, 227163, 530047, 681489, 1287257, 1590141, 3861771, 4770423, 9010799, 11585313, 27032397, 81097191]

約数ペア:

[(1, 81097191), (3, 27032397), (7, 11585313), (9, 9010799), (17, 4770423), (21, 3861771), (51, 1590141), (63, 1287257), (119, 681489), (153, 530047), (357, 227163), (1071, 75721)]