3934413

素因数分解:

$3^7\times 7^1\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 6769920

約数和(自身を除く): 2835507

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 257, 567, 729, 771, 1701, 1799, 2187, 2313, 5103, 5397, 6939, 15309, 16191, 20817, 48573, 62451, 145719, 187353, 437157, 562059, 1311471, 3934413]

約数ペア:

[(1, 3934413), (3, 1311471), (7, 562059), (9, 437157), (21, 187353), (27, 145719), (63, 62451), (81, 48573), (189, 20817), (243, 16191), (257, 15309), (567, 6939), (729, 5397), (771, 5103), (1701, 2313), (1799, 2187)]