206819973

素因数分解:

$3^5\times {\mathrm{37}}^1\times {\mathrm{23003}}^1$

素因数の和:23055

約数の個数: 24

約数和(自身を含む): 318191328

約数和(自身を除く): 111371355

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 8991, 23003, 69009, 207027, 621081, 851111, 1863243, 2553333, 5589729, 7659999, 22979997, 68939991, 206819973]

約数ペア:

[(1, 206819973), (3, 68939991), (9, 22979997), (27, 7659999), (37, 5589729), (81, 2553333), (111, 1863243), (243, 851111), (333, 621081), (999, 207027), (2997, 69009), (8991, 23003)]