28152201

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2593}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 47812608

約数和(自身を除く): 19660407

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 2593, 3619, 7779, 10857, 18151, 28523, 54453, 85569, 121871, 199661, 365613, 598983, 853097, 1340581, 2559291, 4021743, 9384067, 28152201]

約数ペア:

[(1, 28152201), (3, 9384067), (7, 4021743), (11, 2559291), (21, 1340581), (33, 853097), (47, 598983), (77, 365613), (141, 199661), (231, 121871), (329, 85569), (517, 54453), (987, 28523), (1551, 18151), (2593, 10857), (3619, 7779)]