28074735

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 56972160

約数和(自身を除く): 28897425

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 663, 765, 941, 1105, 1755, 1989, 2295, 2823, 3315, 4705, 5967, 8469, 9945, 12233, 14115, 15997, 25407, 29835, 36699, 42345, 47991, 61165, 79985, 110097, 127035, 143973, 183495, 207961, 239955, 330291, 431919, 550485, 623883, 719865, 1039805, 1651455, 1871649, 2159595, 3119415, 5614947, 9358245, 28074735]

約数ペア:

[(1, 28074735), (3, 9358245), (5, 5614947), (9, 3119415), (13, 2159595), (15, 1871649), (17, 1651455), (27, 1039805), (39, 719865), (45, 623883), (51, 550485), (65, 431919), (85, 330291), (117, 239955), (135, 207961), (153, 183495), (195, 143973), (221, 127035), (255, 110097), (351, 79985), (459, 61165), (585, 47991), (663, 42345), (765, 36699), (941, 29835), (1105, 25407), (1755, 15997), (1989, 14115), (2295, 12233), (2823, 9945), (3315, 8469), (4705, 5967)]