7977314979

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{290327}}^1$

素因数の和:290447

約数の個数: 24

約数和(自身を含む): 11956868352

約数和(自身を除く): 3979553373

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 3053, 9159, 27477, 290327, 870981, 2612943, 12484061, 20613217, 37452183, 61839651, 112356549, 185518953, 886368331, 2659104993, 7977314979]

約数ペア:

[(1, 7977314979), (3, 2659104993), (9, 886368331), (43, 185518953), (71, 112356549), (129, 61839651), (213, 37452183), (387, 20613217), (639, 12484061), (3053, 2612943), (9159, 870981), (27477, 290327)]