211672293

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{530507}}^1$

素因数の和:530536

約数の個数: 16

約数和(自身を含む): 339525120

約数和(自身を除く): 127852827

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 530507, 1591521, 3713549, 10079633, 11140647, 30238899, 70557431, 211672293]

約数ペア:

[(1, 211672293), (3, 70557431), (7, 30238899), (19, 11140647), (21, 10079633), (57, 3713549), (133, 1591521), (399, 530507)]