1321881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 1971648

約数和(自身を除く): 649767

約数列:

[1, 3, 11, 33, 41, 123, 451, 977, 1353, 2931, 10747, 32241, 40057, 120171, 440627, 1321881]

約数ペア:

[(1, 1321881), (3, 440627), (11, 120171), (33, 40057), (41, 32241), (123, 10747), (451, 2931), (977, 1353)]