85871961

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1451

約数の個数: 48

約数和(自身を含む): 151246080

約数和(自身を除く): 65374119

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 987, 1269, 1323, 1381, 2303, 2961, 4143, 6909, 8883, 9667, 12429, 20727, 29001, 37287, 62181, 64907, 67669, 87003, 194721, 203007, 261009, 454349, 584163, 609021, 1363047, 1752489, 1827063, 3180443, 4089141, 9541329, 12267423, 28623987, 85871961]

約数ペア:

[(1, 85871961), (3, 28623987), (7, 12267423), (9, 9541329), (21, 4089141), (27, 3180443), (47, 1827063), (49, 1752489), (63, 1363047), (141, 609021), (147, 584163), (189, 454349), (329, 261009), (423, 203007), (441, 194721), (987, 87003), (1269, 67669), (1323, 64907), (1381, 62181), (2303, 37287), (2961, 29001), (4143, 20727), (6909, 12429), (8883, 9667)]