13880013

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 8929587

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 809, 817, 903, 2427, 2451, 5663, 5719, 15371, 16989, 17157, 34787, 46113, 104361, 107597, 243509, 322791, 660953, 730527, 1982859, 4626671, 13880013]

約数ペア:

[(1, 13880013), (3, 4626671), (7, 1982859), (19, 730527), (21, 660953), (43, 322791), (57, 243509), (129, 107597), (133, 104361), (301, 46113), (399, 34787), (809, 17157), (817, 16989), (903, 15371), (2427, 5719), (2451, 5663)]