8420044689

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{315961}}^1$

素因数の和:316027

約数の個数: 40

約数和(自身を含む): 14680858368

約数和(自身を除く): 6260813679

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 8883, 26649, 315961, 947883, 2211727, 2843649, 6635181, 8530947, 14850167, 19905543, 25592841, 44550501, 59716629, 103951169, 133651503, 179149887, 311853507, 400954509, 935560521, 1202863527, 2806681563, 8420044689]

約数ペア:

[(1, 8420044689), (3, 2806681563), (7, 1202863527), (9, 935560521), (21, 400954509), (27, 311853507), (47, 179149887), (63, 133651503), (81, 103951169), (141, 59716629), (189, 44550501), (329, 25592841), (423, 19905543), (567, 14850167), (987, 8530947), (1269, 6635181), (2961, 2843649), (3807, 2211727), (8883, 947883), (26649, 315961)]