51207957

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{13451}}^1$

素因数の和:13510

約数の個数: 20

約数和(自身を含む): 78129216

約数和(自身を除く): 26921259

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 13451, 40353, 121059, 363177, 632197, 1089531, 1896591, 5689773, 17069319, 51207957]

約数ペア:

[(1, 51207957), (3, 17069319), (9, 5689773), (27, 1896591), (47, 1089531), (81, 632197), (141, 363177), (423, 121059), (1269, 40353), (3807, 13451)]