211202289

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{19507}}^1$

素因数の和:19917

約数の個数: 16

約数和(自身を含む): 313688640

約数和(自身を除く): 102486351

約数列:

[1, 3, 9, 27, 401, 1203, 3609, 10827, 19507, 58521, 175563, 526689, 7822307, 23466921, 70400763, 211202289]

約数ペア:

[(1, 211202289), (3, 70400763), (9, 23466921), (27, 7822307), (401, 526689), (1203, 175563), (3609, 58521), (10827, 19507)]