51031875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1641

約数の個数: 40

約数和(自身を含む): 90083664

約数和(自身を除く): 39051789

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 625, 1275, 1601, 1875, 2125, 4803, 6375, 8005, 10625, 24015, 27217, 31875, 40025, 81651, 120075, 136085, 200125, 408255, 600375, 680425, 1000625, 2041275, 3001875, 3402125, 10206375, 17010625, 51031875]

約数ペア:

[(1, 51031875), (3, 17010625), (5, 10206375), (15, 3402125), (17, 3001875), (25, 2041275), (51, 1000625), (75, 680425), (85, 600375), (125, 408255), (255, 200125), (375, 136085), (425, 120075), (625, 81651), (1275, 40025), (1601, 31875), (1875, 27217), (2125, 24015), (4803, 10625), (6375, 8005)]