18157275

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 35515584

約数和(自身を除く): 17358309

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 101, 141, 153, 225, 235, 255, 303, 423, 425, 505, 705, 765, 799, 909, 1175, 1275, 1515, 1717, 2115, 2397, 2525, 3525, 3825, 3995, 4545, 4747, 5151, 7191, 7575, 8585, 10575, 11985, 14241, 15453, 19975, 22725, 23735, 25755, 35955, 42723, 42925, 59925, 71205, 77265, 80699, 118675, 128775, 179775, 213615, 242097, 356025, 386325, 403495, 726291, 1068075, 1210485, 2017475, 3631455, 6052425, 18157275]

約数ペア:

[(1, 18157275), (3, 6052425), (5, 3631455), (9, 2017475), (15, 1210485), (17, 1068075), (25, 726291), (45, 403495), (47, 386325), (51, 356025), (75, 242097), (85, 213615), (101, 179775), (141, 128775), (153, 118675), (225, 80699), (235, 77265), (255, 71205), (303, 59925), (423, 42925), (425, 42723), (505, 35955), (705, 25755), (765, 23735), (799, 22725), (909, 19975), (1175, 15453), (1275, 14241), (1515, 11985), (1717, 10575), (2115, 8585), (2397, 7575), (2525, 7191), (3525, 5151), (3825, 4747), (3995, 4545)]