68782161

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 107008000

約数和(自身を除く): 38225839

約数列:

[1, 3, 7, 21, 109, 151, 199, 327, 453, 597, 763, 1057, 1393, 2289, 3171, 4179, 16459, 21691, 30049, 49377, 65073, 90147, 115213, 151837, 210343, 345639, 455511, 631029, 3275341, 9826023, 22927387, 68782161]

約数ペア:

[(1, 68782161), (3, 22927387), (7, 9826023), (21, 3275341), (109, 631029), (151, 455511), (199, 345639), (327, 210343), (453, 151837), (597, 115213), (763, 90147), (1057, 65073), (1393, 49377), (2289, 30049), (3171, 21691), (4179, 16459)]