164017275

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 289026144

約数和(自身を除く): 125008869

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 197, 255, 425, 591, 653, 985, 1275, 1959, 2955, 3265, 3349, 4925, 9795, 10047, 11101, 14775, 16325, 16745, 33303, 48975, 50235, 55505, 83725, 128641, 166515, 251175, 277525, 385923, 643205, 832575, 1929615, 2186897, 3216025, 6560691, 9648075, 10934485, 32803455, 54672425, 164017275]

約数ペア:

[(1, 164017275), (3, 54672425), (5, 32803455), (15, 10934485), (17, 9648075), (25, 6560691), (51, 3216025), (75, 2186897), (85, 1929615), (197, 832575), (255, 643205), (425, 385923), (591, 277525), (653, 251175), (985, 166515), (1275, 128641), (1959, 83725), (2955, 55505), (3265, 50235), (3349, 48975), (4925, 33303), (9795, 16745), (10047, 16325), (11101, 14775)]