13216959

素因数分解:

$3^3\times 7^1\times {\mathrm{69931}}^1$

素因数の和:69947

約数の個数: 16

約数和(自身を含む): 22378240

約数和(自身を除く): 9161281

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 69931, 209793, 489517, 629379, 1468551, 1888137, 4405653, 13216959]

約数ペア:

[(1, 13216959), (3, 4405653), (7, 1888137), (9, 1468551), (21, 629379), (27, 489517), (63, 209793), (189, 69931)]