13209009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21067}}^1$

素因数の和:21100

約数の個数: 16

約数和(自身を含む): 20225280

約数和(自身を除く): 7016271

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 21067, 63201, 231737, 400273, 695211, 1200819, 4403003, 13209009]

約数ペア:

[(1, 13209009), (3, 4403003), (11, 1200819), (19, 695211), (33, 400273), (57, 231737), (209, 63201), (627, 21067)]