219818613

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 368934912

約数和(自身を除く): 149116299

約数列:

[1, 3, 7, 21, 23, 31, 53, 69, 93, 159, 161, 217, 277, 371, 483, 651, 713, 831, 1113, 1219, 1643, 1939, 2139, 3657, 4929, 4991, 5817, 6371, 8533, 8587, 11501, 14681, 14973, 19113, 25599, 25761, 34503, 37789, 44043, 44597, 60109, 102767, 113367, 133791, 180327, 197501, 264523, 308301, 337663, 455111, 592503, 793569, 1012989, 1365333, 1382507, 2363641, 3185777, 4147521, 7090923, 9557331, 10467553, 31402659, 73272871, 219818613]

約数ペア:

[(1, 219818613), (3, 73272871), (7, 31402659), (21, 10467553), (23, 9557331), (31, 7090923), (53, 4147521), (69, 3185777), (93, 2363641), (159, 1382507), (161, 1365333), (217, 1012989), (277, 793569), (371, 592503), (483, 455111), (651, 337663), (713, 308301), (831, 264523), (1113, 197501), (1219, 180327), (1643, 133791), (1939, 113367), (2139, 102767), (3657, 60109), (4929, 44597), (4991, 44043), (5817, 37789), (6371, 34503), (8533, 25761), (8587, 25599), (11501, 19113), (14681, 14973)]