15957945

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2749}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 29040000

約数和(自身を除く): 13082055

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 2749, 5805, 8247, 13745, 24741, 41235, 74223, 118207, 123705, 354621, 371115, 591035, 1063863, 1773105, 3191589, 5319315, 15957945]

約数ペア:

[(1, 15957945), (3, 5319315), (5, 3191589), (9, 1773105), (15, 1063863), (27, 591035), (43, 371115), (45, 354621), (129, 123705), (135, 118207), (215, 74223), (387, 41235), (645, 24741), (1161, 13745), (1935, 8247), (2749, 5805)]