66789375

素因数分解:

$3^1\times 5^4\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 40

約数和(自身を含む): 112464000

約数和(自身を除く): 45674625

約数列:

[1, 3, 5, 15, 25, 75, 125, 179, 199, 375, 537, 597, 625, 895, 995, 1875, 2685, 2985, 4475, 4975, 13425, 14925, 22375, 24875, 35621, 67125, 74625, 106863, 111875, 124375, 178105, 335625, 373125, 534315, 890525, 2671575, 4452625, 13357875, 22263125, 66789375]

約数ペア:

[(1, 66789375), (3, 22263125), (5, 13357875), (15, 4452625), (25, 2671575), (75, 890525), (125, 534315), (179, 373125), (199, 335625), (375, 178105), (537, 124375), (597, 111875), (625, 106863), (895, 74625), (995, 67125), (1875, 35621), (2685, 24875), (2985, 22375), (4475, 14925), (4975, 13425)]