51988725

素因数分解:

$3^2\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1009}}^1$

素因数の和:1254

約数の個数: 36

約数和(自身を含む): 93616900

約数和(自身を除く): 41628175

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 229, 687, 1009, 1145, 2061, 3027, 3435, 5045, 5725, 9081, 10305, 15135, 17175, 25225, 45405, 51525, 75675, 227025, 231061, 693183, 1155305, 2079549, 3465915, 5776525, 10397745, 17329575, 51988725]

約数ペア:

[(1, 51988725), (3, 17329575), (5, 10397745), (9, 5776525), (15, 3465915), (25, 2079549), (45, 1155305), (75, 693183), (225, 231061), (229, 227025), (687, 75675), (1009, 51525), (1145, 45405), (2061, 25225), (3027, 17175), (3435, 15135), (5045, 10305), (5725, 9081)]