1837972647

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{206909}}^1$

素因数の和:206972

約数の個数: 32

約数和(自身を含む): 3178137600

約数和(自身を除く): 1340164953

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 206909, 620727, 1448363, 1862181, 4345089, 5586543, 9724723, 13035267, 29174169, 39105801, 68073061, 87522507, 204219183, 262567521, 612657549, 1837972647]

約数ペア:

[(1, 1837972647), (3, 612657549), (7, 262567521), (9, 204219183), (21, 87522507), (27, 68073061), (47, 39105801), (63, 29174169), (141, 13035267), (189, 9724723), (329, 5586543), (423, 4345089), (987, 1862181), (1269, 1448363), (2961, 620727), (8883, 206909)]