179640279

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 320733504

約数和(自身を除く): 141093225

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 421, 521, 819, 1263, 1563, 2947, 3647, 3789, 4689, 5473, 6773, 8841, 10941, 16419, 20319, 26523, 32823, 38311, 47411, 49257, 60957, 114933, 142233, 219341, 344799, 426699, 658023, 1535387, 1974069, 2851433, 4606161, 8554299, 13818483, 19960031, 25662897, 59880093, 179640279]

約数ペア:

[(1, 179640279), (3, 59880093), (7, 25662897), (9, 19960031), (13, 13818483), (21, 8554299), (39, 4606161), (63, 2851433), (91, 1974069), (117, 1535387), (273, 658023), (421, 426699), (521, 344799), (819, 219341), (1263, 142233), (1563, 114933), (2947, 60957), (3647, 49257), (3789, 47411), (4689, 38311), (5473, 32823), (6773, 26523), (8841, 20319), (10941, 16419)]