72130707

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 123601920

約数和(自身を除く): 51471213

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 171, 209, 279, 341, 589, 627, 1023, 1237, 1767, 1881, 3069, 3711, 5301, 6479, 11133, 13607, 19437, 23503, 38347, 40821, 58311, 70509, 115041, 122463, 211527, 258533, 345123, 421817, 728593, 775599, 1265451, 2185779, 2326797, 3796353, 6557337, 8014523, 24043569, 72130707]

約数ペア:

[(1, 72130707), (3, 24043569), (9, 8014523), (11, 6557337), (19, 3796353), (31, 2326797), (33, 2185779), (57, 1265451), (93, 775599), (99, 728593), (171, 421817), (209, 345123), (279, 258533), (341, 211527), (589, 122463), (627, 115041), (1023, 70509), (1237, 58311), (1767, 40821), (1881, 38347), (3069, 23503), (3711, 19437), (5301, 13607), (6479, 11133)]