2576775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4713984

約数和(自身を除く): 2137209

約数列:

[1, 3, 5, 15, 17, 25, 43, 47, 51, 75, 85, 129, 141, 215, 235, 255, 425, 645, 705, 731, 799, 1075, 1175, 1275, 2021, 2193, 2397, 3225, 3525, 3655, 3995, 6063, 10105, 10965, 11985, 18275, 19975, 30315, 34357, 50525, 54825, 59925, 103071, 151575, 171785, 515355, 858925, 2576775]

約数ペア:

[(1, 2576775), (3, 858925), (5, 515355), (15, 171785), (17, 151575), (25, 103071), (43, 59925), (47, 54825), (51, 50525), (75, 34357), (85, 30315), (129, 19975), (141, 18275), (215, 11985), (235, 10965), (255, 10105), (425, 6063), (645, 3995), (705, 3655), (731, 3525), (799, 3225), (1075, 2397), (1175, 2193), (1275, 2021)]