261696369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{344791}}^1$

素因数の和:344828

約数の個数: 16

約数和(自身を含む): 397200384

約数和(自身を除く): 135504015

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 344791, 1034373, 3792701, 7930193, 11378103, 23790579, 87232123, 261696369]

約数ペア:

[(1, 261696369), (3, 87232123), (11, 23790579), (23, 11378103), (33, 7930193), (69, 3792701), (253, 1034373), (759, 344791)]