8121519

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 13923840

約数和(自身を除く): 5802321

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 189, 291, 443, 679, 873, 1329, 2037, 2619, 3101, 3987, 6111, 9303, 11961, 18333, 27909, 42971, 83727, 128913, 300797, 386739, 902391, 1160217, 2707173, 8121519]

約数ペア:

[(1, 8121519), (3, 2707173), (7, 1160217), (9, 902391), (21, 386739), (27, 300797), (63, 128913), (97, 83727), (189, 42971), (291, 27909), (443, 18333), (679, 11961), (873, 9303), (1329, 6111), (2037, 3987), (2619, 3101)]