28289595

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 46531584

約数和(自身を除く): 18241989

約数列:

[1, 3, 5, 15, 71, 101, 213, 263, 303, 355, 505, 789, 1065, 1315, 1515, 3945, 7171, 18673, 21513, 26563, 35855, 56019, 79689, 93365, 107565, 132815, 280095, 398445, 1885973, 5657919, 9429865, 28289595]

約数ペア:

[(1, 28289595), (3, 9429865), (5, 5657919), (15, 1885973), (71, 398445), (101, 280095), (213, 132815), (263, 107565), (303, 93365), (355, 79689), (505, 56019), (789, 35855), (1065, 26563), (1315, 21513), (1515, 18673), (3945, 7171)]