290450811

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{887}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 458293248

約数和(自身を除く): 167842437

約数列:

[1, 3, 7, 21, 31, 93, 217, 503, 651, 887, 1509, 2661, 3521, 6209, 10563, 15593, 18627, 27497, 46779, 82491, 109151, 192479, 327453, 446161, 577437, 1338483, 3123127, 9369381, 13830991, 41492973, 96816937, 290450811]

約数ペア:

[(1, 290450811), (3, 96816937), (7, 41492973), (21, 13830991), (31, 9369381), (93, 3123127), (217, 1338483), (503, 577437), (651, 446161), (887, 327453), (1509, 192479), (2661, 109151), (3521, 82491), (6209, 46779), (10563, 27497), (15593, 18627)]