249918903

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{983}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 406171584

約数和(自身を除く): 156252681

約数列:

[1, 3, 9, 13, 39, 41, 53, 117, 123, 159, 369, 477, 533, 689, 983, 1599, 2067, 2173, 2949, 4797, 6201, 6519, 8847, 12779, 19557, 28249, 38337, 40303, 52099, 84747, 115011, 120909, 156297, 254241, 362727, 468891, 523939, 677287, 1571817, 2031861, 2136059, 4715451, 6095583, 6408177, 19224531, 27768767, 83306301, 249918903]

約数ペア:

[(1, 249918903), (3, 83306301), (9, 27768767), (13, 19224531), (39, 6408177), (41, 6095583), (53, 4715451), (117, 2136059), (123, 2031861), (159, 1571817), (369, 677287), (477, 523939), (533, 468891), (689, 362727), (983, 254241), (1599, 156297), (2067, 120909), (2173, 115011), (2949, 84747), (4797, 52099), (6201, 40303), (6519, 38337), (8847, 28249), (12779, 19557)]