198355391997

素因数分解:

$3^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{7161103}}^1$

素因数の和:7162432

約数の個数: 16

約数和(自身を含む): 302485032960

約数和(自身を除く): 104129640963

約数列:

[1, 3, 7, 21, 1319, 3957, 9233, 27699, 7161103, 21483309, 50127721, 150383163, 9445494857, 28336484571, 66118463999, 198355391997]

約数ペア:

[(1, 198355391997), (3, 66118463999), (7, 28336484571), (21, 9445494857), (1319, 150383163), (3957, 50127721), (9233, 21483309), (27699, 7161103)]