67391271

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43789}}^1$

素因数の和:43820

約数の個数: 20

約数和(自身を含む): 105971800

約数和(自身を除く): 38580529

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 43789, 131367, 394101, 831991, 1182303, 2495973, 3546909, 7487919, 22463757, 67391271]

約数ペア:

[(1, 67391271), (3, 22463757), (9, 7487919), (19, 3546909), (27, 2495973), (57, 1182303), (81, 831991), (171, 394101), (513, 131367), (1539, 43789)]