13220697

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8867}}^1$

素因数の和:8948

約数の個数: 16

約数和(自身を含む): 20431872

約数和(自身を除く): 7211175

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 8867, 26601, 62069, 186207, 629557, 1888671, 4406899, 13220697]

約数ペア:

[(1, 13220697), (3, 4406899), (7, 1888671), (21, 629557), (71, 186207), (213, 62069), (497, 26601), (1491, 8867)]