17419725

素因数分解:

$3^3\times 5^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 32408640

約数和(自身を除く): 14988915

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 131, 135, 197, 225, 393, 591, 655, 675, 985, 1179, 1773, 1965, 2955, 3275, 3537, 4925, 5319, 5895, 8865, 9825, 14775, 17685, 25807, 26595, 29475, 44325, 77421, 88425, 129035, 132975, 232263, 387105, 645175, 696789, 1161315, 1935525, 3483945, 5806575, 17419725]

約数ペア:

[(1, 17419725), (3, 5806575), (5, 3483945), (9, 1935525), (15, 1161315), (25, 696789), (27, 645175), (45, 387105), (75, 232263), (131, 132975), (135, 129035), (197, 88425), (225, 77421), (393, 44325), (591, 29475), (655, 26595), (675, 25807), (985, 17685), (1179, 14775), (1773, 9825), (1965, 8865), (2955, 5895), (3275, 5319), (3537, 4925)]