2581725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 4419360

約数和(自身を除く): 1837635

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 1187, 2175, 3561, 5935, 17805, 29675, 34423, 89025, 103269, 172115, 516345, 860575, 2581725]

約数ペア:

[(1, 2581725), (3, 860575), (5, 516345), (15, 172115), (25, 103269), (29, 89025), (75, 34423), (87, 29675), (145, 17805), (435, 5935), (725, 3561), (1187, 2175)]