201784989

素因数分解:

$3^1\times 7^2\times {\mathrm{503}}^1\times {\mathrm{2729}}^1$

素因数の和:3249

約数の個数: 24

約数和(自身を含む): 313709760

約数和(自身を除く): 111924771

約数列:

[1, 3, 7, 21, 49, 147, 503, 1509, 2729, 3521, 8187, 10563, 19103, 24647, 57309, 73941, 133721, 401163, 1372687, 4118061, 9608809, 28826427, 67261663, 201784989]

約数ペア:

[(1, 201784989), (3, 67261663), (7, 28826427), (21, 9608809), (49, 4118061), (147, 1372687), (503, 401163), (1509, 133721), (2729, 73941), (3521, 57309), (8187, 24647), (10563, 19103)]