6521949

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 11452896

約数和(自身を除く): 4930947

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 643, 1127, 1449, 1929, 3381, 4501, 5787, 10143, 13503, 14789, 31507, 40509, 44367, 94521, 103523, 133101, 283563, 310569, 724661, 931707, 2173983, 6521949]

約数ペア:

[(1, 6521949), (3, 2173983), (7, 931707), (9, 724661), (21, 310569), (23, 283563), (49, 133101), (63, 103523), (69, 94521), (147, 44367), (161, 40509), (207, 31507), (441, 14789), (483, 13503), (643, 10143), (1127, 5787), (1449, 4501), (1929, 3381)]