2351391

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 3671808

約数和(自身を除く): 1320417

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 2731, 8193, 19117, 57351, 111971, 335913, 783797, 2351391]

約数ペア:

[(1, 2351391), (3, 783797), (7, 335913), (21, 111971), (41, 57351), (123, 19117), (287, 8193), (861, 2731)]