47131371

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1777}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 78032864

約数和(自身を除く): 30901493

約数列:

[1, 3, 7, 9, 21, 63, 421, 1263, 1777, 2947, 3789, 5331, 8841, 12439, 15993, 26523, 37317, 111951, 748117, 2244351, 5236819, 6733053, 15710457, 47131371]

約数ペア:

[(1, 47131371), (3, 15710457), (7, 6733053), (9, 5236819), (21, 2244351), (63, 748117), (421, 111951), (1263, 37317), (1777, 26523), (2947, 15993), (3789, 12439), (5331, 8841)]