6688009431

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{20507}}^1$

素因数の和:20820

約数の個数: 32

約数和(自身を含む): 10158842880

約数和(自身を除く): 3470833449

約数列:

[1, 3, 9, 27, 47, 141, 257, 423, 771, 1269, 2313, 6939, 12079, 20507, 36237, 61521, 108711, 184563, 326133, 553689, 963829, 2891487, 5270299, 8674461, 15810897, 26023383, 47432691, 142298073, 247704053, 743112159, 2229336477, 6688009431]

約数ペア:

[(1, 6688009431), (3, 2229336477), (9, 743112159), (27, 247704053), (47, 142298073), (141, 47432691), (257, 26023383), (423, 15810897), (771, 8674461), (1269, 5270299), (2313, 2891487), (6939, 963829), (12079, 553689), (20507, 326133), (36237, 184563), (61521, 108711)]