209210313

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{315551}}^1$

素因数の和:315584

約数の個数: 16

約数和(自身を含む): 318076416

約数和(自身を除く): 108866103

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 315551, 946653, 4102163, 5364367, 12306489, 16093101, 69736771, 209210313]

約数ペア:

[(1, 209210313), (3, 69736771), (13, 16093101), (17, 12306489), (39, 5364367), (51, 4102163), (221, 946653), (663, 315551)]