51905025

素因数分解:

$3^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{661}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 93375100

約数和(自身を除く): 41470075

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 349, 661, 1047, 1745, 1983, 3141, 3305, 5235, 5949, 8725, 9915, 15705, 16525, 26175, 29745, 49575, 78525, 148725, 230689, 692067, 1153445, 2076201, 3460335, 5767225, 10381005, 17301675, 51905025]

約数ペア:

[(1, 51905025), (3, 17301675), (5, 10381005), (9, 5767225), (15, 3460335), (25, 2076201), (45, 1153445), (75, 692067), (225, 230689), (349, 148725), (661, 78525), (1047, 49575), (1745, 29745), (1983, 26175), (3141, 16525), (3305, 15705), (5235, 9915), (5949, 8725)]