13881147

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1997}}^1$

素因数の和:2338

約数の個数: 16

約数和(自身を含む): 21226752

約数和(自身を除く): 7345605

約数列:

[1, 3, 7, 21, 331, 993, 1997, 2317, 5991, 6951, 13979, 41937, 661007, 1983021, 4627049, 13881147]

約数ペア:

[(1, 13881147), (3, 4627049), (7, 1983021), (21, 661007), (331, 41937), (993, 13979), (1997, 6951), (2317, 5991)]