767627775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 1470937104

約数和(自身を除く): 703309329

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 101, 153, 225, 255, 303, 425, 505, 765, 909, 1275, 1515, 1717, 1987, 2525, 3825, 4545, 5151, 5961, 7575, 8585, 9935, 15453, 17883, 22725, 25755, 29805, 33779, 42925, 49675, 77265, 89415, 101337, 128775, 149025, 168895, 200687, 304011, 386325, 447075, 506685, 602061, 844475, 1003435, 1520055, 1806183, 2533425, 3010305, 3411679, 5017175, 7600275, 9030915, 10235037, 15051525, 17058395, 30705111, 45154575, 51175185, 85291975, 153525555, 255875925, 767627775]

約数ペア:

[(1, 767627775), (3, 255875925), (5, 153525555), (9, 85291975), (15, 51175185), (17, 45154575), (25, 30705111), (45, 17058395), (51, 15051525), (75, 10235037), (85, 9030915), (101, 7600275), (153, 5017175), (225, 3411679), (255, 3010305), (303, 2533425), (425, 1806183), (505, 1520055), (765, 1003435), (909, 844475), (1275, 602061), (1515, 506685), (1717, 447075), (1987, 386325), (2525, 304011), (3825, 200687), (4545, 168895), (5151, 149025), (5961, 128775), (7575, 101337), (8585, 89415), (9935, 77265), (15453, 49675), (17883, 42925), (22725, 33779), (25755, 29805)]