7140393

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{6781}}^1$

素因数の和:6806

約数の個数: 20

約数和(自身を含む): 11488708

約数和(自身を除く): 4348315

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 6781, 20343, 61029, 88153, 183087, 264459, 549261, 793377, 2380131, 7140393]

約数ペア:

[(1, 7140393), (3, 2380131), (9, 793377), (13, 549261), (27, 264459), (39, 183087), (81, 88153), (117, 61029), (351, 20343), (1053, 6781)]