243431925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1021}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 466865952

約数和(自身を除く): 223434027

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 289, 425, 561, 825, 867, 935, 1021, 1275, 1445, 2805, 3063, 3179, 4335, 4675, 5105, 7225, 9537, 11231, 14025, 15315, 15895, 17357, 21675, 25525, 33693, 47685, 52071, 56155, 76575, 79475, 86785, 168465, 190927, 238425, 260355, 280775, 295069, 433925, 572781, 842325, 885207, 954635, 1301775, 1475345, 2863905, 3245759, 4426035, 4773175, 7376725, 9737277, 14319525, 16228795, 22130175, 48686385, 81143975, 243431925]

約数ペア:

[(1, 243431925), (3, 81143975), (5, 48686385), (11, 22130175), (15, 16228795), (17, 14319525), (25, 9737277), (33, 7376725), (51, 4773175), (55, 4426035), (75, 3245759), (85, 2863905), (165, 1475345), (187, 1301775), (255, 954635), (275, 885207), (289, 842325), (425, 572781), (561, 433925), (825, 295069), (867, 280775), (935, 260355), (1021, 238425), (1275, 190927), (1445, 168465), (2805, 86785), (3063, 79475), (3179, 76575), (4335, 56155), (4675, 52071), (5105, 47685), (7225, 33693), (9537, 25525), (11231, 21675), (14025, 17357), (15315, 15895)]