289247931

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{28517}}^1$

素因数の和:28560

約数の個数: 36

約数和(自身を含む): 507164112

約数和(自身を除く): 217916181

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 3381, 10143, 28517, 85551, 199619, 256653, 598857, 655891, 1397333, 1796571, 1967673, 4191999, 4591237, 5903019, 12575997, 13773711, 32138659, 41321133, 96415977, 289247931]

約数ペア:

[(1, 289247931), (3, 96415977), (7, 41321133), (9, 32138659), (21, 13773711), (23, 12575997), (49, 5903019), (63, 4591237), (69, 4191999), (147, 1967673), (161, 1796571), (207, 1397333), (441, 655891), (483, 598857), (1127, 256653), (1449, 199619), (3381, 85551), (10143, 28517)]