207405939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{20693}}^1$

素因数の和:20966

約数の個数: 16

約数和(自身を含む): 298986912

約数和(自身を除く): 91580973

約数列:

[1, 3, 13, 39, 257, 771, 3341, 10023, 20693, 62079, 269009, 807027, 5318101, 15954303, 69135313, 207405939]

約数ペア:

[(1, 207405939), (3, 69135313), (13, 15954303), (39, 5318101), (257, 807027), (771, 269009), (3341, 62079), (10023, 20693)]