1281978

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1138

約数の個数: 24

約数和(自身を含む): 2821728

約数和(自身を除く): 1539750

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1063, 1206, 2126, 3189, 6378, 9567, 19134, 71221, 142442, 213663, 427326, 640989, 1281978]

約数ペア:

[(1, 1281978), (2, 640989), (3, 427326), (6, 213663), (9, 142442), (18, 71221), (67, 19134), (134, 9567), (201, 6378), (402, 3189), (603, 2126), (1063, 1206)]