813261939

素因数分解:

$3^1\times 7^1\times {\mathrm{1237}}^1\times {\mathrm{31307}}^1$

素因数の和:32554

約数の個数: 16

約数和(自身を含む): 1240297728

約数和(自身を除く): 427035789

約数列:

[1, 3, 7, 21, 1237, 3711, 8659, 25977, 31307, 93921, 219149, 657447, 38726759, 116180277, 271087313, 813261939]

約数ペア:

[(1, 813261939), (3, 271087313), (7, 116180277), (21, 38726759), (1237, 657447), (3711, 219149), (8659, 93921), (25977, 31307)]