208045869

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1\times {\mathrm{1811}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 280497600

約数和(自身を除く): 72451731

約数列:

[1, 3, 149, 257, 447, 771, 1811, 5433, 38293, 114879, 269839, 465427, 809517, 1396281, 69348623, 208045869]

約数ペア:

[(1, 208045869), (3, 69348623), (149, 1396281), (257, 809517), (447, 465427), (771, 269839), (1811, 114879), (5433, 38293)]