1987725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 3481920

約数和(自身を除く): 1494195

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 1559, 4677, 7795, 23385, 26503, 38975, 79509, 116925, 132515, 397545, 662575, 1987725]

約数ペア:

[(1, 1987725), (3, 662575), (5, 397545), (15, 132515), (17, 116925), (25, 79509), (51, 38975), (75, 26503), (85, 23385), (255, 7795), (425, 4677), (1275, 1559)]