289301889

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 418111488

約数和(自身を除く): 128809599

約数列:

[1, 3, 23, 31, 69, 93, 211, 633, 641, 713, 1923, 2139, 4853, 6541, 14559, 14743, 19623, 19871, 44229, 59613, 135251, 150443, 405753, 451329, 457033, 1371099, 3110773, 4192781, 9332319, 12578343, 96433963, 289301889]

約数ペア:

[(1, 289301889), (3, 96433963), (23, 12578343), (31, 9332319), (69, 4192781), (93, 3110773), (211, 1371099), (633, 457033), (641, 451329), (713, 405753), (1923, 150443), (2139, 135251), (4853, 59613), (6541, 44229), (14559, 19871), (14743, 19623)]