218580879

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{140929}}^1$

素因数の和:140990

約数の個数: 16

約数和(自身を含む): 324702720

約数和(自身を除く): 106121841

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 140929, 422787, 1550219, 4650657, 6623663, 19870989, 72860293, 218580879]

約数ペア:

[(1, 218580879), (3, 72860293), (11, 19870989), (33, 6623663), (47, 4650657), (141, 1550219), (517, 422787), (1551, 140929)]