208078308009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{725009}}^1$

素因数の和:725262

約数の個数: 48

約数和(自身を含む): 354686492160

約数和(自身を除く): 146608184151

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 223, 429, 669, 1287, 2007, 2453, 2899, 7359, 8697, 22077, 26091, 31889, 95667, 287001, 725009, 2175027, 6525081, 7975099, 9425117, 23925297, 28275351, 71775891, 84826053, 103676287, 161677007, 311028861, 485031021, 933086583, 1455093063, 1778447077, 2101801091, 5335341231, 6305403273, 16006023693, 18916209819, 23119812001, 69359436003, 208078308009]

約数ペア:

[(1, 208078308009), (3, 69359436003), (9, 23119812001), (11, 18916209819), (13, 16006023693), (33, 6305403273), (39, 5335341231), (99, 2101801091), (117, 1778447077), (143, 1455093063), (223, 933086583), (429, 485031021), (669, 311028861), (1287, 161677007), (2007, 103676287), (2453, 84826053), (2899, 71775891), (7359, 28275351), (8697, 23925297), (22077, 9425117), (26091, 7975099), (31889, 6525081), (95667, 2175027), (287001, 725009)]