1278779817

素因数分解:

$3^1\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{41117}}^1$

素因数の和:42608

約数の個数: 16

約数和(自身を含む): 1949980032

約数和(自身を除く): 671200215

約数列:

[1, 3, 7, 21, 1481, 4443, 10367, 31101, 41117, 123351, 287819, 863457, 60894277, 182682831, 426259939, 1278779817]

約数ペア:

[(1, 1278779817), (3, 426259939), (7, 182682831), (21, 60894277), (1481, 863457), (4443, 287819), (10367, 123351), (31101, 41117)]