71884449

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1767

約数の個数: 64

約数和(自身を含む): 138862080

約数和(自身を除く): 66977631

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 663, 819, 1071, 1547, 1721, 1989, 2457, 3213, 4641, 5163, 5967, 12047, 13923, 15489, 22373, 29257, 36141, 41769, 46467, 67119, 87771, 108423, 156611, 201357, 204799, 263313, 325269, 380341, 469833, 604071, 614397, 789939, 1141023, 1409499, 1843191, 2662387, 3423069, 4228497, 5529573, 7987161, 10269207, 23961483, 71884449]

約数ペア:

[(1, 71884449), (3, 23961483), (7, 10269207), (9, 7987161), (13, 5529573), (17, 4228497), (21, 3423069), (27, 2662387), (39, 1843191), (51, 1409499), (63, 1141023), (91, 789939), (117, 614397), (119, 604071), (153, 469833), (189, 380341), (221, 325269), (273, 263313), (351, 204799), (357, 201357), (459, 156611), (663, 108423), (819, 87771), (1071, 67119), (1547, 46467), (1721, 41769), (1989, 36141), (2457, 29257), (3213, 22373), (4641, 15489), (5163, 13923), (5967, 12047)]