201818891889

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{839}}^1\times {\mathrm{398917}}^1$

素因数の和:399829

約数の個数: 24

約数和(自身を含む): 296220550080

約数和(自身を除く): 94401658191

約数列:

[1, 3, 9, 67, 201, 603, 839, 2517, 7551, 56213, 168639, 398917, 505917, 1196751, 3590253, 26727439, 80182317, 240546951, 334691363, 1004074089, 3012222267, 22424321321, 67272963963, 201818891889]

約数ペア:

[(1, 201818891889), (3, 67272963963), (9, 22424321321), (67, 3012222267), (201, 1004074089), (603, 334691363), (839, 240546951), (2517, 80182317), (7551, 26727439), (56213, 3590253), (168639, 1196751), (398917, 505917)]