85258719

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5479}}^1$

素因数の和:5524

約数の個数: 48

約数和(自身を含む): 159577600

約数和(自身を除く): 74318881

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 5479, 15561, 16437, 38353, 49311, 71227, 104101, 115059, 213681, 312303, 345177, 498589, 641043, 728707, 936909, 1353313, 1495767, 2186121, 4059939, 4487301, 6558363, 9473191, 12179817, 28419573, 85258719]

約数ペア:

[(1, 85258719), (3, 28419573), (7, 12179817), (9, 9473191), (13, 6558363), (19, 4487301), (21, 4059939), (39, 2186121), (57, 1495767), (63, 1353313), (91, 936909), (117, 728707), (133, 641043), (171, 498589), (247, 345177), (273, 312303), (399, 213681), (741, 115059), (819, 104101), (1197, 71227), (1729, 49311), (2223, 38353), (5187, 16437), (5479, 15561)]