13909973

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 17877024

約数和(自身を除く): 3967051

約数列:

[1, 7, 11, 49, 77, 131, 197, 539, 917, 1379, 1441, 2167, 6419, 9653, 10087, 15169, 25807, 70609, 106183, 180649, 283877, 1264543, 1987139, 13909973]

約数ペア:

[(1, 13909973), (7, 1987139), (11, 1264543), (49, 283877), (77, 180649), (131, 106183), (197, 70609), (539, 25807), (917, 15169), (1379, 10087), (1441, 9653), (2167, 6419)]