320160939

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{214729}}^1$

素因数の和:214810

約数の個数: 16

約数和(自身を含む): 494737920

約数和(自身を除く): 174576981

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 214729, 644187, 1503103, 4509309, 15245759, 45737277, 106720313, 320160939]

約数ペア:

[(1, 320160939), (3, 106720313), (7, 45737277), (21, 15245759), (71, 4509309), (213, 1503103), (497, 644187), (1491, 214729)]