2191713219

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 3397736160

約数和(自身を除く): 1206022941

約数列:

[1, 3, 9, 17, 51, 139, 153, 257, 401, 417, 771, 1203, 1251, 2313, 2363, 3609, 4369, 6817, 7089, 13107, 20451, 21267, 35723, 39321, 55739, 61353, 103057, 107169, 167217, 309171, 321507, 501651, 607291, 927513, 947563, 1751969, 1821873, 2842689, 5255907, 5465619, 8528067, 14324923, 15767721, 42974769, 128924307, 243523691, 730571073, 2191713219]

約数ペア:

[(1, 2191713219), (3, 730571073), (9, 243523691), (17, 128924307), (51, 42974769), (139, 15767721), (153, 14324923), (257, 8528067), (401, 5465619), (417, 5255907), (771, 2842689), (1203, 1821873), (1251, 1751969), (2313, 947563), (2363, 927513), (3609, 607291), (4369, 501651), (6817, 321507), (7089, 309171), (13107, 167217), (20451, 107169), (21267, 103057), (35723, 61353), (39321, 55739)]