81723103

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 105136128

約数和(自身を除く): 23413025

約数列:

[1, 7, 11, 61, 77, 127, 137, 427, 671, 889, 959, 1397, 1507, 4697, 7747, 8357, 9779, 10549, 17399, 54229, 58499, 85217, 91927, 121793, 191389, 596519, 643489, 1061339, 1339723, 7429373, 11674729, 81723103]

約数ペア:

[(1, 81723103), (7, 11674729), (11, 7429373), (61, 1339723), (77, 1061339), (127, 643489), (137, 596519), (427, 191389), (671, 121793), (889, 91927), (959, 85217), (1397, 58499), (1507, 54229), (4697, 17399), (7747, 10549), (8357, 9779)]