198778851

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{1151}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 297123840

約数和(自身を除く): 98344989

約数列:

[1, 3, 9, 31, 93, 279, 619, 1151, 1857, 3453, 5571, 10359, 19189, 35681, 57567, 107043, 172701, 321129, 712469, 2137407, 6412221, 22086539, 66259617, 198778851]

約数ペア:

[(1, 198778851), (3, 66259617), (9, 22086539), (31, 6412221), (93, 2137407), (279, 712469), (619, 321129), (1151, 172701), (1857, 107043), (3453, 57567), (5571, 35681), (10359, 19189)]