239702931207

素因数分解:

$3^4\times {\mathrm{47351}}^1\times {\mathrm{62497}}^1$

素因数の和:109860

約数の個数: 20

約数和(自身を含む): 358088040816

約数和(自身を除く): 118385109609

約数列:

[1, 3, 9, 27, 81, 47351, 62497, 142053, 187491, 426159, 562473, 1278477, 1687419, 3835431, 5062257, 2959295447, 8877886341, 26633659023, 79900977069, 239702931207]

約数ペア:

[(1, 239702931207), (3, 79900977069), (9, 26633659023), (27, 8877886341), (81, 2959295447), (47351, 5062257), (62497, 3835431), (142053, 1687419), (187491, 1278477), (426159, 562473)]