208435821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2719}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 319610880

約数和(自身を除く): 111175059

約数列:

[1, 3, 11, 23, 33, 69, 101, 253, 303, 759, 1111, 2323, 2719, 3333, 6969, 8157, 25553, 29909, 62537, 76659, 89727, 187611, 274619, 687907, 823857, 2063721, 3020809, 6316237, 9062427, 18948711, 69478607, 208435821]

約数ペア:

[(1, 208435821), (3, 69478607), (11, 18948711), (23, 9062427), (33, 6316237), (69, 3020809), (101, 2063721), (253, 823857), (303, 687907), (759, 274619), (1111, 187611), (2323, 89727), (2719, 76659), (3333, 62537), (6969, 29909), (8157, 25553)]