11639943

素因数分解:

$3^6\times 7^1\times {\mathrm{2281}}^1$

素因数の和:2306

約数の個数: 28

約数和(自身を含む): 19953808

約数和(自身を除く): 8313865

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2281, 5103, 6843, 15967, 20529, 47901, 61587, 143703, 184761, 431109, 554283, 1293327, 1662849, 3879981, 11639943]

約数ペア:

[(1, 11639943), (3, 3879981), (7, 1662849), (9, 1293327), (21, 554283), (27, 431109), (63, 184761), (81, 143703), (189, 61587), (243, 47901), (567, 20529), (729, 15967), (1701, 6843), (2281, 5103)]