3984375

素因数分解:

$3^1\times 5^7\times {\mathrm{17}}^1$

素因数の和:55

約数の個数: 32

約数和(自身を含む): 7031232

約数和(自身を除く): 3046857

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1875, 2125, 3125, 6375, 9375, 10625, 15625, 31875, 46875, 53125, 78125, 159375, 234375, 265625, 796875, 1328125, 3984375]

約数ペア:

[(1, 3984375), (3, 1328125), (5, 796875), (15, 265625), (17, 234375), (25, 159375), (51, 78125), (75, 53125), (85, 46875), (125, 31875), (255, 15625), (375, 10625), (425, 9375), (625, 6375), (1275, 3125), (1875, 2125)]