856875

素因数分解:

$3^1\times 5^4\times {\mathrm{457}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 1430792

約数和(自身を除く): 573917

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 457, 625, 1371, 1875, 2285, 6855, 11425, 34275, 57125, 171375, 285625, 856875]

約数ペア:

[(1, 856875), (3, 285625), (5, 171375), (15, 57125), (25, 34275), (75, 11425), (125, 6855), (375, 2285), (457, 1875), (625, 1371)]