128151801

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{8741}}^1$

素因数の和:8934

約数の個数: 20

約数和(自身を含む): 192516324

約数和(自身を除く): 64364523

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 8741, 14661, 26223, 78669, 236007, 708021, 1582121, 4746363, 14239089, 42717267, 128151801]

約数ペア:

[(1, 128151801), (3, 42717267), (9, 14239089), (27, 4746363), (81, 1582121), (181, 708021), (543, 236007), (1629, 78669), (4887, 26223), (8741, 14661)]