7896987

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 14008320

約数和(自身を除く): 6111333

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 127, 141, 147, 189, 329, 381, 423, 441, 889, 987, 1143, 1269, 1323, 2303, 2667, 2961, 3429, 5969, 6223, 6909, 8001, 8883, 17907, 18669, 20727, 24003, 41783, 53721, 56007, 62181, 125349, 161163, 168021, 292481, 376047, 877443, 1128141, 2632329, 7896987]

約数ペア:

[(1, 7896987), (3, 2632329), (7, 1128141), (9, 877443), (21, 376047), (27, 292481), (47, 168021), (49, 161163), (63, 125349), (127, 62181), (141, 56007), (147, 53721), (189, 41783), (329, 24003), (381, 20727), (423, 18669), (441, 17907), (889, 8883), (987, 8001), (1143, 6909), (1269, 6223), (1323, 5969), (2303, 3429), (2667, 2961)]