38721543

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 61011456

約数和(自身を除く): 22289913

約数列:

[1, 3, 7, 21, 43, 129, 137, 301, 313, 411, 903, 939, 959, 2191, 2877, 5891, 6573, 13459, 17673, 40377, 41237, 42881, 94213, 123711, 128643, 282639, 300167, 900501, 1843883, 5531649, 12907181, 38721543]

約数ペア:

[(1, 38721543), (3, 12907181), (7, 5531649), (21, 1843883), (43, 900501), (129, 300167), (137, 282639), (301, 128643), (313, 123711), (411, 94213), (903, 42881), (939, 41237), (959, 40377), (2191, 17673), (2877, 13459), (5891, 6573)]