128091213

素因数分解:

$3^4\times {\mathrm{757}}^1\times {\mathrm{2089}}^1$

素因数の和:2858

約数の個数: 20

約数和(自身を含む): 191690620

約数和(自身を除く): 63599407

約数列:

[1, 3, 9, 27, 81, 757, 2089, 2271, 6267, 6813, 18801, 20439, 56403, 61317, 169209, 1581373, 4744119, 14232357, 42697071, 128091213]

約数ペア:

[(1, 128091213), (3, 42697071), (9, 14232357), (27, 4744119), (81, 1581373), (757, 169209), (2089, 61317), (2271, 56403), (6267, 20439), (6813, 18801)]