51784719

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{9521}}^1$

素因数の和:9575

約数の個数: 24

約数和(自身を含む): 82498608

約数和(自身を除く): 30713889

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 5439, 9521, 28563, 66647, 199941, 352277, 466529, 1056831, 1399587, 2465939, 7397817, 17261573, 51784719]

約数ペア:

[(1, 51784719), (3, 17261573), (7, 7397817), (21, 2465939), (37, 1399587), (49, 1056831), (111, 466529), (147, 352277), (259, 199941), (777, 66647), (1813, 28563), (5439, 9521)]