674421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 995328

約数和(自身を除く): 320907

約数列:

[1, 3, 11, 33, 107, 191, 321, 573, 1177, 2101, 3531, 6303, 20437, 61311, 224807, 674421]

約数ペア:

[(1, 674421), (3, 224807), (11, 61311), (33, 20437), (107, 6303), (191, 3531), (321, 2101), (573, 1177)]