28156977639

素因数分解:

$3^2\times 7^1\times {\mathrm{15643}}^1\times {\mathrm{28571}}^1$

素因数の和:44227

約数の個数: 24

約数和(自身を含む): 46485958272

約数和(自身を除く): 18328980633

約数列:

[1, 3, 7, 9, 21, 63, 15643, 28571, 46929, 85713, 109501, 140787, 199997, 257139, 328503, 599991, 985509, 1799973, 446936153, 1340808459, 3128553071, 4022425377, 9385659213, 28156977639]

約数ペア:

[(1, 28156977639), (3, 9385659213), (7, 4022425377), (9, 3128553071), (21, 1340808459), (63, 446936153), (15643, 1799973), (28571, 985509), (46929, 599991), (85713, 328503), (109501, 257139), (140787, 199997)]