39984273

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:843

約数の個数: 40

約数和(自身を含む): 69060992

約数和(自身を除く): 29076719

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 567, 679, 727, 873, 2037, 2181, 2619, 5089, 6111, 6543, 7857, 15267, 18333, 19629, 45801, 54999, 58887, 70519, 137403, 211557, 412209, 493633, 634671, 1480899, 1904013, 4442697, 5712039, 13328091, 39984273]

約数ペア:

[(1, 39984273), (3, 13328091), (7, 5712039), (9, 4442697), (21, 1904013), (27, 1480899), (63, 634671), (81, 493633), (97, 412209), (189, 211557), (291, 137403), (567, 70519), (679, 58887), (727, 54999), (873, 45801), (2037, 19629), (2181, 18333), (2619, 15267), (5089, 7857), (6111, 6543)]