217873341

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24527}}^1$

素因数の和:24590

約数の個数: 32

約数和(自身を含む): 376750080

約数和(自身を除く): 158876739

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 24527, 73581, 171689, 220743, 515067, 662229, 1152769, 1545201, 3458307, 4635603, 8069383, 10374921, 24208149, 31124763, 72624447, 217873341]

約数ペア:

[(1, 217873341), (3, 72624447), (7, 31124763), (9, 24208149), (21, 10374921), (27, 8069383), (47, 4635603), (63, 3458307), (141, 1545201), (189, 1152769), (329, 662229), (423, 515067), (987, 220743), (1269, 171689), (2961, 73581), (8883, 24527)]