4048125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 7197696

約数和(自身を除く): 3149571

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 127, 255, 375, 381, 425, 625, 635, 1275, 1875, 1905, 2125, 2159, 3175, 6375, 6477, 9525, 10625, 10795, 15875, 31875, 32385, 47625, 53975, 79375, 161925, 238125, 269875, 809625, 1349375, 4048125]

約数ペア:

[(1, 4048125), (3, 1349375), (5, 809625), (15, 269875), (17, 238125), (25, 161925), (51, 79375), (75, 53975), (85, 47625), (125, 32385), (127, 31875), (255, 15875), (375, 10795), (381, 10625), (425, 9525), (625, 6477), (635, 6375), (1275, 3175), (1875, 2159), (1905, 2125)]